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Mt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(Mt>>>26)|0,Mt&=67108863,r=Math.imul(E,Z),n=Math.imul(E,F),n=n+Math.imul(R,Z)|0,o=Math.imul(R,F),r=r+Math.imul(k,N)|0,n=n+Math.imul(k,z)|0,n=n+Math.imul(S,N)|0,o=o+Math.imul(S,z)|0,r=r+Math.imul(M,V)|0,n=n+Math.imul(M,J)|0,n=n+Math.imul(b,V)|0,o=o+Math.imul(b,J)|0,r=r+Math.imul(w,Q)|0,n=n+Math.imul(w,X)|0,n=n+Math.imul(v,Q)|0,o=o+Math.imul(v,X)|0,r=r+Math.imul(p,$)|0,n=n+Math.imul(p,tt)|0,n=n+Math.imul(m,$)|0,o=o+Math.imul(m,tt)|0,r=r+Math.imul(f,it)|0,n=n+Math.imul(f,rt)|0,n=n+Math.imul(d,it)|0,o=o+Math.imul(d,rt)|0;var bt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(bt>>>26)|0,bt&=67108863,r=Math.imul(T,Z),n=Math.imul(T,F),n=n+Math.imul(A,Z)|0,o=Math.imul(A,F),r=r+Math.imul(E,N)|0,n=n+Math.imul(E,z)|0,n=n+Math.imul(R,N)|0,o=o+Math.imul(R,z)|0,r=r+Math.imul(k,V)|0,n=n+Math.imul(k,J)|0,n=n+Math.imul(S,V)|0,o=o+Math.imul(S,J)|0,r=r+Math.imul(M,Q)|0,n=n+Math.imul(M,X)|0,n=n+Math.imul(b,Q)|0,o=o+Math.imul(b,X)|0,r=r+Math.imul(w,$)|0,n=n+Math.imul(w,tt)|0,n=n+Math.imul(v,$)|0,o=o+Math.imul(v,tt)|0,r=r+Math.imul(p,it)|0,n=n+Math.imul(p,rt)|0,n=n+Math.imul(m,it)|0,o=o+Math.imul(m,rt)|0,r=r+Math.imul(f,ot)|0,n=n+Math.imul(f,ht)|0,n=n+Math.imul(d,ot)|0,o=o+Math.imul(d,ht)|0;var _t=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(_t>>>26)|0,_t&=67108863,r=Math.imul(q,Z),n=Math.imul(q,F),n=n+Math.imul(L,Z)|0,o=Math.imul(L,F),r=r+Math.imul(T,N)|0,n=n+Math.imul(T,z)|0,n=n+Math.imul(A,N)|0,o=o+Math.imul(A,z)|0,r=r+Math.imul(E,V)|0,n=n+Math.imul(E,J)|0,n=n+Math.imul(R,V)|0,o=o+Math.imul(R,J)|0,r=r+Math.imul(k,Q)|0,n=n+Math.imul(k,X)|0,n=n+Math.imul(S,Q)|0,o=o+Math.imul(S,X)|0,r=r+Math.imul(M,$)|0,n=n+Math.imul(M,tt)|0,n=n+Math.imul(b,$)|0,o=o+Math.imul(b,tt)|0,r=r+Math.imul(w,it)|0,n=n+Math.imul(w,rt)|0,n=n+Math.imul(v,it)|0,o=o+Math.imul(v,rt)|0,r=r+Math.imul(p,ot)|0,n=n+Math.imul(p,ht)|0,n=n+Math.imul(m,ot)|0,o=o+Math.imul(m,ht)|0,r=r+Math.imul(f,at)|0,n=n+Math.imul(f,ut)|0,n=n+Math.imul(d,at)|0,o=o+Math.imul(d,ut)|0;var kt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(kt>>>26)|0,kt&=67108863,r=Math.imul(I,Z),n=Math.imul(I,F),n=n+Math.imul(C,Z)|0,o=Math.imul(C,F),r=r+Math.imul(q,N)|0,n=n+Math.imul(q,z)|0,n=n+Math.imul(L,N)|0,o=o+Math.imul(L,z)|0,r=r+Math.imul(T,V)|0,n=n+Math.imul(T,J)|0,n=n+Math.imul(A,V)|0,o=o+Math.imul(A,J)|0,r=r+Math.imul(E,Q)|0,n=n+Math.imul(E,X)|0,n=n+Math.imul(R,Q)|0,o=o+Math.imul(R,X)|0,r=r+Math.imul(k,$)|0,n=n+Math.imul(k,tt)|0,n=n+Math.imul(S,$)|0,o=o+Math.imul(S,tt)|0,r=r+Math.imul(M,it)|0,n=n+Math.imul(M,rt)|0,n=n+Math.imul(b,it)|0,o=o+Math.imul(b,rt)|0,r=r+Math.imul(w,ot)|0,n=n+Math.imul(w,ht)|0,n=n+Math.imul(v,ot)|0,o=o+Math.imul(v,ht)|0,r=r+Math.imul(p,at)|0,n=n+Math.imul(p,ut)|0,n=n+Math.imul(m,at)|0,o=o+Math.imul(m,ut)|0,r=r+Math.imul(f,ft)|0,n=n+Math.imul(f,dt)|0,n=n+Math.imul(d,ft)|0,o=o+Math.imul(d,dt)|0;var St=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(St>>>26)|0,St&=67108863,r=Math.imul(W,Z),n=Math.imul(W,F),n=n+Math.imul(U,Z)|0,o=Math.imul(U,F),r=r+Math.imul(I,N)|0,n=n+Math.imul(I,z)|0,n=n+Math.imul(C,N)|0,o=o+Math.imul(C,z)|0,r=r+Math.imul(q,V)|0,n=n+Math.imul(q,J)|0,n=n+Math.imul(L,V)|0,o=o+Math.imul(L,J)|0,r=r+Math.imul(T,Q)|0,n=n+Math.imul(T,X)|0,n=n+Math.imul(A,Q)|0,o=o+Math.imul(A,X)|0,r=r+Math.imul(E,$)|0,n=n+Math.imul(E,tt)|0,n=n+Math.imul(R,$)|0,o=o+Math.imul(R,tt)|0,r=r+Math.imul(k,it)|0,n=n+Math.imul(k,rt)|0,n=n+Math.imul(S,it)|0,o=o+Math.imul(S,rt)|0,r=r+Math.imul(M,ot)|0,n=n+Math.imul(M,ht)|0,n=n+Math.imul(b,ot)|0,o=o+Math.imul(b,ht)|0,r=r+Math.imul(w,at)|0,n=n+Math.imul(w,ut)|0,n=n+Math.imul(v,at)|0,o=o+Math.imul(v,ut)|0,r=r+Math.imul(p,ft)|0,n=n+Math.imul(p,dt)|0,n=n+Math.imul(m,ft)|0,o=o+Math.imul(m,dt)|0,r=r+Math.imul(f,pt)|0,n=n+Math.imul(f,mt)|0,n=n+Math.imul(d,pt)|0,o=o+Math.imul(d,mt)|0;var xt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(xt>>>26)|0,xt&=67108863,r=Math.imul(W,N),n=Math.imul(W,z),n=n+Math.imul(U,N)|0,o=Math.imul(U,z),r=r+Math.imul(I,V)|0,n=n+Math.imul(I,J)|0,n=n+Math.imul(C,V)|0,o=o+Math.imul(C,J)|0,r=r+Math.imul(q,Q)|0,n=n+Math.imul(q,X)|0,n=n+Math.imul(L,Q)|0,o=o+Math.imul(L,X)|0,r=r+Math.imul(T,$)|0,n=n+Math.imul(T,tt)|0,n=n+Math.imul(A,$)|0,o=o+Math.imul(A,tt)|0,r=r+Math.imul(E,it)|0,n=n+Math.imul(E,rt)|0,n=n+Math.imul(R,it)|0,o=o+Math.imul(R,rt)|0,r=r+Math.imul(k,ot)|0,n=n+Math.imul(k,ht)|0,n=n+Math.imul(S,ot)|0,o=o+Math.imul(S,ht)|0,r=r+Math.imul(M,at)|0,n=n+Math.imul(M,ut)|0,n=n+Math.imul(b,at)|0,o=o+Math.imul(b,ut)|0,r=r+Math.imul(w,ft)|0,n=n+Math.imul(w,dt)|0,n=n+Math.imul(v,ft)|0,o=o+Math.imul(v,dt)|0,r=r+Math.imul(p,pt)|0,n=n+Math.imul(p,mt)|0,n=n+Math.imul(m,pt)|0,o=o+Math.imul(m,mt)|0;var Et=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(Et>>>26)|0,Et&=67108863,r=Math.imul(W,V),n=Math.imul(W,J),n=n+Math.imul(U,V)|0,o=Math.imul(U,J),r=r+Math.imul(I,Q)|0,n=n+Math.imul(I,X)|0,n=n+Math.imul(C,Q)|0,o=o+Math.imul(C,X)|0,r=r+Math.imul(q,$)|0,n=n+Math.imul(q,tt)|0,n=n+Math.imul(L,$)|0,o=o+Math.imul(L,tt)|0,r=r+Math.imul(T,it)|0,n=n+Math.imul(T,rt)|0,n=n+Math.imul(A,it)|0,o=o+Math.imul(A,rt)|0,r=r+Math.imul(E,ot)|0,n=n+Math.imul(E,ht)|0,n=n+Math.imul(R,ot)|0,o=o+Math.imul(R,ht)|0,r=r+Math.imul(k,at)|0,n=n+Math.imul(k,ut)|0,n=n+Math.imul(S,at)|0,o=o+Math.imul(S,ut)|0,r=r+Math.imul(M,ft)|0,n=n+Math.imul(M,dt)|0,n=n+Math.imul(b,ft)|0,o=o+Math.imul(b,dt)|0,r=r+Math.imul(w,pt)|0,n=n+Math.imul(w,mt)|0,n=n+Math.imul(v,pt)|0,o=o+Math.imul(v,mt)|0;var Rt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(Rt>>>26)|0,Rt&=67108863,r=Math.imul(W,Q),n=Math.imul(W,X),n=n+Math.imul(U,Q)|0,o=Math.imul(U,X),r=r+Math.imul(I,$)|0,n=n+Math.imul(I,tt)|0,n=n+Math.imul(C,$)|0,o=o+Math.imul(C,tt)|0,r=r+Math.imul(q,it)|0,n=n+Math.imul(q,rt)|0,n=n+Math.imul(L,it)|0,o=o+Math.imul(L,rt)|0,r=r+Math.imul(T,ot)|0,n=n+Math.imul(T,ht)|0,n=n+Math.imul(A,ot)|0,o=o+Math.imul(A,ht)|0,r=r+Math.imul(E,at)|0,n=n+Math.imul(E,ut)|0,n=n+Math.imul(R,at)|0,o=o+Math.imul(R,ut)|0,r=r+Math.imul(k,ft)|0,n=n+Math.imul(k,dt)|0,n=n+Math.imul(S,ft)|0,o=o+Math.imul(S,dt)|0,r=r+Math.imul(M,pt)|0,n=n+Math.imul(M,mt)|0,n=n+Math.imul(b,pt)|0,o=o+Math.imul(b,mt)|0;var Bt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(Bt>>>26)|0,Bt&=67108863,r=Math.imul(W,$),n=Math.imul(W,tt),n=n+Math.imul(U,$)|0,o=Math.imul(U,tt),r=r+Math.imul(I,it)|0,n=n+Math.imul(I,rt)|0,n=n+Math.imul(C,it)|0,o=o+Math.imul(C,rt)|0,r=r+Math.imul(q,ot)|0,n=n+Math.imul(q,ht)|0,n=n+Math.imul(L,ot)|0,o=o+Math.imul(L,ht)|0,r=r+Math.imul(T,at)|0,n=n+Math.imul(T,ut)|0,n=n+Math.imul(A,at)|0,o=o+Math.imul(A,ut)|0,r=r+Math.imul(E,ft)|0,n=n+Math.imul(E,dt)|0,n=n+Math.imul(R,ft)|0,o=o+Math.imul(R,dt)|0,r=r+Math.imul(k,pt)|0,n=n+Math.imul(k,mt)|0,n=n+Math.imul(S,pt)|0,o=o+Math.imul(S,mt)|0;var Tt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(Tt>>>26)|0,Tt&=67108863,r=Math.imul(W,it),n=Math.imul(W,rt),n=n+Math.imul(U,it)|0,o=Math.imul(U,rt),r=r+Math.imul(I,ot)|0,n=n+Math.imul(I,ht)|0,n=n+Math.imul(C,ot)|0,o=o+Math.imul(C,ht)|0,r=r+Math.imul(q,at)|0,n=n+Math.imul(q,ut)|0,n=n+Math.imul(L,at)|0,o=o+Math.imul(L,ut)|0,r=r+Math.imul(T,ft)|0,n=n+Math.imul(T,dt)|0,n=n+Math.imul(A,ft)|0,o=o+Math.imul(A,dt)|0,r=r+Math.imul(E,pt)|0,n=n+Math.imul(E,mt)|0,n=n+Math.imul(R,pt)|0,o=o+Math.imul(R,mt)|0;var At=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(At>>>26)|0,At&=67108863,r=Math.imul(W,ot),n=Math.imul(W,ht),n=n+Math.imul(U,ot)|0,o=Math.imul(U,ht),r=r+Math.imul(I,at)|0,n=n+Math.imul(I,ut)|0,n=n+Math.imul(C,at)|0,o=o+Math.imul(C,ut)|0,r=r+Math.imul(q,ft)|0,n=n+Math.imul(q,dt)|0,n=n+Math.imul(L,ft)|0,o=o+Math.imul(L,dt)|0,r=r+Math.imul(T,pt)|0,n=n+Math.imul(T,mt)|0,n=n+Math.imul(A,pt)|0,o=o+Math.imul(A,mt)|0;var jt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(jt>>>26)|0,jt&=67108863,r=Math.imul(W,at),n=Math.imul(W,ut),n=n+Math.imul(U,at)|0,o=Math.imul(U,ut),r=r+Math.imul(I,ft)|0,n=n+Math.imul(I,dt)|0,n=n+Math.imul(C,ft)|0,o=o+Math.imul(C,dt)|0,r=r+Math.imul(q,pt)|0,n=n+Math.imul(q,mt)|0,n=n+Math.imul(L,pt)|0,o=o+Math.imul(L,mt)|0;var qt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(qt>>>26)|0,qt&=67108863,r=Math.imul(W,ft),n=Math.imul(W,dt),n=n+Math.imul(U,ft)|0,o=Math.imul(U,dt),r=r+Math.imul(I,pt)|0,n=n+Math.imul(I,mt)|0,n=n+Math.imul(C,pt)|0,o=o+Math.imul(C,mt)|0;var Lt=(u+r|0)+((8191&n)<<13)|0;u=(o+(n>>>13)|0)+(Lt>>>26)|0,Lt&=67108863,r=Math.imul(W,pt),n=Math.imul(W,mt),n=n+Math.imul(U,pt)|0,o=Math.imul(U,mt);var Ot=(u+r|0)+((8191&n)<<13)|0;return u=(o+(n>>>13)|0)+(Ot>>>26)|0,Ot&=67108863,a[0]=gt,a[1]=wt,a[2]=vt,a[3]=yt,a[4]=Mt,a[5]=bt,a[6]=_t,a[7]=kt,a[8]=St,a[9]=xt,a[10]=Et,a[11]=Rt,a[12]=Bt,a[13]=Tt,a[14]=At,a[15]=jt,a[16]=qt,a[17]=Lt,a[18]=Ot,0!==u&&(a[19]=u,i.length++),i};function g(t,e,i){i.negative=e.negative^t.negative,i.length=t.length+e.length;for(var r=0,n=0,o=0;o<i.length-1;o++){var h=n;n=0;for(var s=67108863&r,a=Math.min(o,e.length-1),u=Math.max(0,o-t.length+1);u<=a;u++){var l=o-u,f=0|t.words[l],d=0|e.words[u],c=f*d,p=67108863&c;h=h+(c/67108864|0)|0,p=p+s|0,s=67108863&p,h=h+(p>>>26)|0,n+=h>>>26,h&=67108863}i.words[o]=s,r=h,h=n}return 0!==r?i.words[o]=r:i.length--,i.strip()}function w(t,e,i){var r=new v;return r.mulp(t,e,i)}function v(t,e){this.x=t,this.y=e}Math.imul||(m=p),o.prototype.mulTo=function(t,e){var i,r=this.length+t.length;return i=10===this.length&&10===t.length?m(this,t,e):r<63?p(this,t,e):r<1024?g(this,t,e):w(this,t,e),i},v.prototype.makeRBT=function(t){for(var e=new Array(t),i=o.prototype._countBits(t)-1,r=0;r<t;r++)e[r]=this.revBin(r,i,t);return e},v.prototype.revBin=function(t,e,i){if(0===t||t===i-1)return t;for(var r=0,n=0;n<e;n++)r|=(1&t)<<e-n-1,t>>=1;return r},v.prototype.permute=function(t,e,i,r,n,o){for(var h=0;h<o;h++)r[h]=e[t[h]],n[h]=i[t[h]]},v.prototype.transform=function(t,e,i,r,n,o){this.permute(o,t,e,i,r,n);for(var h=1;h<n;h<<=1)for(var s=h<<1,a=Math.cos(2*Math.PI/s),u=Math.sin(2*Math.PI/s),l=0;l<n;l+=s)for(var f=a,d=u,c=0;c<h;c++){var p=i[l+c],m=r[l+c],g=i[l+c+h],w=r[l+c+h],v=f*g-d*w;w=f*w+d*g,g=v,i[l+c]=p+g,r[l+c]=m+w,i[l+c+h]=p-g,r[l+c+h]=m-w,c!==s&&(v=a*f-u*d,d=a*d+u*f,f=v)}},v.prototype.guessLen13b=function(t,e){var i=1|Math.max(e,t),r=1&i,n=0;for(i=i/2|0;i;i>>>=1)n++;return 1<<n+1+r},v.prototype.conjugate=function(t,e,i){if(!(i<=1))for(var r=0;r<i/2;r++){var n=t[r];t[r]=t[i-r-1],t[i-r-1]=n,n=e[r],e[r]=-e[i-r-1],e[i-r-1]=-n}},v.prototype.normalize13b=function(t,e){for(var i=0,r=0;r<e/2;r++){var n=8192*Math.round(t[2*r+1]/e)+Math.round(t[2*r]/e)+i;t[r]=67108863&n,i=n<67108864?0:n/67108864|0}return t},v.prototype.convert13b=function(t,e,i,n){for(var o=0,h=0;h<e;h++)o+=0|t[h],i[2*h]=8191&o,o>>>=13,i[2*h+1]=8191&o,o>>>=13;for(h=2*e;h<n;++h)i[h]=0;r(0===o),r(0===(-8192&o))},v.prototype.stub=function(t){for(var e=new Array(t),i=0;i<t;i++)e[i]=0;return e},v.prototype.mulp=function(t,e,i){var r=2*this.guessLen13b(t.length,e.length),n=this.makeRBT(r),o=this.stub(r),h=new Array(r),s=new Array(r),a=new Array(r),u=new Array(r),l=new Array(r),f=new Array(r),d=i.words;d.length=r,this.convert13b(t.words,t.length,h,r),this.convert13b(e.words,e.length,u,r),this.transform(h,o,s,a,r,n),this.transform(u,o,l,f,r,n);for(var c=0;c<r;c++){var p=s[c]*l[c]-a[c]*f[c];a[c]=s[c]*f[c]+a[c]*l[c],s[c]=p}return this.conjugate(s,a,r),this.transform(s,a,d,o,r,n),this.conjugate(d,o,r),this.normalize13b(d,r),i.negative=t.negative^e.negative,i.length=t.length+e.length,i.strip()},o.prototype.mul=function(t){var e=new o(null);return e.words=new Array(this.length+t.length),this.mulTo(t,e)},o.prototype.mulf=function(t){var e=new o(null);return e.words=new Array(this.length+t.length),w(this,t,e)},o.prototype.imul=function(t){return this.clone().mulTo(t,this)},o.prototype.imuln=function(t){r("number"===typeof t),r(t<67108864);for(var e=0,i=0;i<this.length;i++){var n=(0|this.words[i])*t,o=(67108863&n)+(67108863&e);e>>=26,e+=n/67108864|0,e+=o>>>26,this.words[i]=67108863&o}return 0!==e&&(this.words[i]=e,this.length++),this},o.prototype.muln=function(t){return this.clone().imuln(t)},o.prototype.sqr=function(){return this.mul(this)},o.prototype.isqr=function(){return this.imul(this.clone())},o.prototype.pow=function(t){var e=c(t);if(0===e.length)return new o(1);for(var i=this,r=0;r<e.length;r++,i=i.sqr())if(0!==e[r])break;if(++r<e.length)for(var n=i.sqr();r<e.length;r++,n=n.sqr())0!==e[r]&&(i=i.mul(n));return i},o.prototype.iushln=function(t){r("number"===typeof t&&t>=0);var e,i=t%26,n=(t-i)/26,o=67108863>>>26-i<<26-i;if(0!==i){var h=0;for(e=0;e<this.length;e++){var s=this.words[e]&o,a=(0|this.words[e])-s<<i;this.words[e]=a|h,h=s>>>26-i}h&&(this.words[e]=h,this.length++)}if(0!==n){for(e=this.length-1;e>=0;e--)this.words[e+n]=this.words[e];for(e=0;e<n;e++)this.words[e]=0;this.length+=n}return this.strip()},o.prototype.ishln=function(t){return r(0===this.negative),this.iushln(t)},o.prototype.iushrn=function(t,e,i){var n;r("number"===typeof t&&t>=0),n=e?(e-e%26)/26:0;var o=t%26,h=Math.min((t-o)/26,this.length),s=67108863^67108863>>>o<<o,a=i;if(n-=h,n=Math.max(0,n),a){for(var u=0;u<h;u++)a.words[u]=this.words[u];a.length=h}if(0===h);else if(this.length>h)for(this.length-=h,u=0;u<this.length;u++)this.words[u]=this.words[u+h];else this.words[0]=0,this.length=1;var l=0;for(u=this.length-1;u>=0&&(0!==l||u>=n);u--){var f=0|this.words[u];this.words[u]=l<<26-o|f>>>o,l=f&s}return a&&0!==l&&(a.words[a.length++]=l),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},o.prototype.ishrn=function(t,e,i){return r(0===this.negative),this.iushrn(t,e,i)},o.prototype.shln=function(t){return this.clone().ishln(t)},o.prototype.ushln=function(t){return this.clone().iushln(t)},o.prototype.shrn=function(t){return this.clone().ishrn(t)},o.prototype.ushrn=function(t){return this.clone().iushrn(t)},o.prototype.testn=function(t){r("number"===typeof t&&t>=0);var e=t%26,i=(t-e)/26,n=1<<e;if(this.length<=i)return!1;var o=this.words[i];return!!(o&n)},o.prototype.imaskn=function(t){r("number"===typeof t&&t>=0);var e=t%26,i=(t-e)/26;if(r(0===this.negative,"imaskn works only with positive numbers"),this.length<=i)return this;if(0!==e&&i++,this.length=Math.min(i,this.length),0!==e){var n=67108863^67108863>>>e<<e;this.words[this.length-1]&=n}return this.strip()},o.prototype.maskn=function(t){return this.clone().imaskn(t)},o.prototype.iaddn=function(t){return r("number"===typeof t),r(t<67108864),t<0?this.isubn(-t):0!==this.negative?1===this.length&&(0|this.words[0])<t?(this.words[0]=t-(0|this.words[0]),this.negative=0,this):(this.negative=0,this.isubn(t),this.negative=1,this):this._iaddn(t)},o.prototype._iaddn=function(t){this.words[0]+=t;for(var e=0;e<this.length&&this.words[e]>=67108864;e++)this.words[e]-=67108864,e===this.length-1?this.words[e+1]=1:this.words[e+1]++;return this.length=Math.max(this.length,e+1),this},o.prototype.isubn=function(t){if(r("number"===typeof t),r(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var e=0;e<this.length&&this.words[e]<0;e++)this.words[e]+=67108864,this.words[e+1]-=1;return this.strip()},o.prototype.addn=function(t){return this.clone().iaddn(t)},o.prototype.subn=function(t){return this.clone().isubn(t)},o.prototype.iabs=function(){return this.negative=0,this},o.prototype.abs=function(){return this.clone().iabs()},o.prototype._ishlnsubmul=function(t,e,i){var n,o,h=t.length+i;this._expand(h);var s=0;for(n=0;n<t.length;n++){o=(0|this.words[n+i])+s;var a=(0|t.words[n])*e;o-=67108863&a,s=(o>>26)-(a/67108864|0),this.words[n+i]=67108863&o}for(;n<this.length-i;n++)o=(0|this.words[n+i])+s,s=o>>26,this.words[n+i]=67108863&o;if(0===s)return this.strip();for(r(-1===s),s=0,n=0;n<this.length;n++)o=-(0|this.words[n])+s,s=o>>26,this.words[n]=67108863&o;return this.negative=1,this.strip()},o.prototype._wordDiv=function(t,e){var i=this.length-t.length,r=this.clone(),n=t,h=0|n.words[n.length-1],s=this._countBits(h);i=26-s,0!==i&&(n=n.ushln(i),r.iushln(i),h=0|n.words[n.length-1]);var a,u=r.length-n.length;if("mod"!==e){a=new o(null),a.length=u+1,a.words=new Array(a.length);for(var l=0;l<a.length;l++)a.words[l]=0}var f=r.clone()._ishlnsubmul(n,1,u);0===f.negative&&(r=f,a&&(a.words[u]=1));for(var d=u-1;d>=0;d--){var c=67108864*(0|r.words[n.length+d])+(0|r.words[n.length+d-1]);c=Math.min(c/h|0,67108863),r._ishlnsubmul(n,c,d);while(0!==r.negative)c--,r.negative=0,r._ishlnsubmul(n,1,d),r.isZero()||(r.negative^=1);a&&(a.words[d]=c)}return a&&a.strip(),r.strip(),"div"!==e&&0!==i&&r.iushrn(i),{div:a||null,mod:r}},o.prototype.divmod=function(t,e,i){return r(!t.isZero()),this.isZero()?{div:new o(0),mod:new o(0)}:0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,e),"mod"!==e&&(n=s.div.neg()),"div"!==e&&(h=s.mod.neg(),i&&0!==h.negative&&h.iadd(t)),{div:n,mod:h}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),e),"mod"!==e&&(n=s.div.neg()),{div:n,mod:s.mod}):0!==(this.negative&t.negative)?(s=this.neg().divmod(t.neg(),e),"div"!==e&&(h=s.mod.neg(),i&&0!==h.negative&&h.isub(t)),{div:s.div,mod:h}):t.length>this.length||this.cmp(t)<0?{div:new o(0),mod:this}:1===t.length?"div"===e?{div:this.divn(t.words[0]),mod:null}:"mod"===e?{div:null,mod:new o(this.modn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new o(this.modn(t.words[0]))}:this._wordDiv(t,e);var n,h,s},o.prototype.div=function(t){return this.divmod(t,"div",!1).div},o.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},o.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},o.prototype.divRound=function(t){var e=this.divmod(t);if(e.mod.isZero())return e.div;var i=0!==e.div.negative?e.mod.isub(t):e.mod,r=t.ushrn(1),n=t.andln(1),o=i.cmp(r);return o<0||1===n&&0===o?e.div:0!==e.div.negative?e.div.isubn(1):e.div.iaddn(1)},o.prototype.modn=function(t){r(t<=67108863);for(var e=(1<<26)%t,i=0,n=this.length-1;n>=0;n--)i=(e*i+(0|this.words[n]))%t;return i},o.prototype.idivn=function(t){r(t<=67108863);for(var e=0,i=this.length-1;i>=0;i--){var n=(0|this.words[i])+67108864*e;this.words[i]=n/t|0,e=n%t}return this.strip()},o.prototype.divn=function(t){return this.clone().idivn(t)},o.prototype.egcd=function(t){r(0===t.negative),r(!t.isZero());var e=this,i=t.clone();e=0!==e.negative?e.umod(t):e.clone();var n=new o(1),h=new o(0),s=new o(0),a=new o(1),u=0;while(e.isEven()&&i.isEven())e.iushrn(1),i.iushrn(1),++u;var l=i.clone(),f=e.clone();while(!e.isZero()){for(var d=0,c=1;0===(e.words[0]&c)&&d<26;++d,c<<=1);if(d>0){e.iushrn(d);while(d-- >0)(n.isOdd()||h.isOdd())&&(n.iadd(l),h.isub(f)),n.iushrn(1),h.iushrn(1)}for(var p=0,m=1;0===(i.words[0]&m)&&p<26;++p,m<<=1);if(p>0){i.iushrn(p);while(p-- >0)(s.isOdd()||a.isOdd())&&(s.iadd(l),a.isub(f)),s.iushrn(1),a.iushrn(1)}e.cmp(i)>=0?(e.isub(i),n.isub(s),h.isub(a)):(i.isub(e),s.isub(n),a.isub(h))}return{a:s,b:a,gcd:i.iushln(u)}},o.prototype._invmp=function(t){r(0===t.negative),r(!t.isZero());var e=this,i=t.clone();e=0!==e.negative?e.umod(t):e.clone();var n,h=new o(1),s=new o(0),a=i.clone();while(e.cmpn(1)>0&&i.cmpn(1)>0){for(var u=0,l=1;0===(e.words[0]&l)&&u<26;++u,l<<=1);if(u>0){e.iushrn(u);while(u-- >0)h.isOdd()&&h.iadd(a),h.iushrn(1)}for(var f=0,d=1;0===(i.words[0]&d)&&f<26;++f,d<<=1);if(f>0){i.iushrn(f);while(f-- >0)s.isOdd()&&s.iadd(a),s.iushrn(1)}e.cmp(i)>=0?(e.isub(i),h.isub(s)):(i.isub(e),s.isub(h))}return n=0===e.cmpn(1)?h:s,n.cmpn(0)<0&&n.iadd(t),n},o.prototype.gcd=function(t){if(this.isZero())return t.abs();if(t.isZero())return this.abs();var e=this.clone(),i=t.clone();e.negative=0,i.negative=0;for(var r=0;e.isEven()&&i.isEven();r++)e.iushrn(1),i.iushrn(1);do{while(e.isEven())e.iushrn(1);while(i.isEven())i.iushrn(1);var n=e.cmp(i);if(n<0){var o=e;e=i,i=o}else if(0===n||0===i.cmpn(1))break;e.isub(i)}while(1);return i.iushln(r)},o.prototype.invm=function(t){return this.egcd(t).a.umod(t)},o.prototype.isEven=function(){return 0===(1&this.words[0])},o.prototype.isOdd=function(){return 1===(1&this.words[0])},o.prototype.andln=function(t){return this.words[0]&t},o.prototype.bincn=function(t){r("number"===typeof t);var e=t%26,i=(t-e)/26,n=1<<e;if(this.length<=i)return this._expand(i+1),this.words[i]|=n,this;for(var o=n,h=i;0!==o&&h<this.length;h++){var s=0|this.words[h];s+=o,o=s>>>26,s&=67108863,this.words[h]=s}return 0!==o&&(this.words[h]=o,this.length++),this},o.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},o.prototype.cmpn=function(t){var e,i=t<0;if(0!==this.negative&&!i)return-1;if(0===this.negative&&i)return 1;if(this.strip(),this.length>1)e=1;else{i&&(t=-t),r(t<=67108863,"Number is too big");var n=0|this.words[0];e=n===t?0:n<t?-1:1}return 0!==this.negative?0|-e:e},o.prototype.cmp=function(t){if(0!==this.negative&&0===t.negative)return-1;if(0===this.negative&&0!==t.negative)return 1;var e=this.ucmp(t);return 0!==this.negative?0|-e:e},o.prototype.ucmp=function(t){if(this.length>t.length)return 1;if(this.length<t.length)return-1;for(var e=0,i=this.length-1;i>=0;i--){var r=0|this.words[i],n=0|t.words[i];if(r!==n){r<n?e=-1:r>n&&(e=1);break}}return e},o.prototype.gtn=function(t){return 1===this.cmpn(t)},o.prototype.gt=function(t){return 1===this.cmp(t)},o.prototype.gten=function(t){return this.cmpn(t)>=0},o.prototype.gte=function(t){return this.cmp(t)>=0},o.prototype.ltn=function(t){return-1===this.cmpn(t)},o.prototype.lt=function(t){return-1===this.cmp(t)},o.prototype.lten=function(t){return this.cmpn(t)<=0},o.prototype.lte=function(t){return this.cmp(t)<=0},o.prototype.eqn=function(t){return 0===this.cmpn(t)},o.prototype.eq=function(t){return 0===this.cmp(t)},o.red=function(t){return new x(t)},o.prototype.toRed=function(t){return r(!this.red,"Already a number in reduction context"),r(0===this.negative,"red works only with positives"),t.convertTo(this)._forceRed(t)},o.prototype.fromRed=function(){return r(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},o.prototype._forceRed=function(t){return this.red=t,this},o.prototype.forceRed=function(t){return r(!this.red,"Already a number in reduction context"),this._forceRed(t)},o.prototype.redAdd=function(t){return r(this.red,"redAdd works only with red numbers"),this.red.add(this,t)},o.prototype.redIAdd=function(t){return r(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,t)},o.prototype.redSub=function(t){return r(this.red,"redSub works only with red numbers"),this.red.sub(this,t)},o.prototype.redISub=function(t){return r(this.red,"redISub works only with red numbers"),this.red.isub(this,t)},o.prototype.redShl=function(t){return r(this.red,"redShl works only with red numbers"),this.red.shl(this,t)},o.prototype.redMul=function(t){return r(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.mul(this,t)},o.prototype.redIMul=function(t){return r(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.imul(this,t)},o.prototype.redSqr=function(){return r(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},o.prototype.redISqr=function(){return r(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},o.prototype.redSqrt=function(){return r(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},o.prototype.redInvm=function(){return r(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},o.prototype.redNeg=function(){return r(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},o.prototype.redPow=function(t){return r(this.red&&!t.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,t)};var y={k256:null,p224:null,p192:null,p25519:null};function M(t,e){this.name=t,this.p=new o(e,16),this.n=this.p.bitLength(),this.k=new o(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function b(){M.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}function _(){M.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}function k(){M.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}function S(){M.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}function x(t){if("string"===typeof t){var e=o._prime(t);this.m=e.p,this.prime=e}else r(t.gtn(1),"modulus must be greater than 1"),this.m=t,this.prime=null}function E(t){x.call(this,t),this.shift=this.m.bitLength(),this.shift%26!==0&&(this.shift+=26-this.shift%26),this.r=new o(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}M.prototype._tmp=function(){var t=new o(null);return t.words=new Array(Math.ceil(this.n/13)),t},M.prototype.ireduce=function(t){var e,i=t;do{this.split(i,this.tmp),i=this.imulK(i),i=i.iadd(this.tmp),e=i.bitLength()}while(e>this.n);var r=e<this.n?-1:i.ucmp(this.p);return 0===r?(i.words[0]=0,i.length=1):r>0?i.isub(this.p):void 0!==i.strip?i.strip():i._strip(),i},M.prototype.split=function(t,e){t.iushrn(this.n,0,e)},M.prototype.imulK=function(t){return t.imul(this.k)},n(b,M),b.prototype.split=function(t,e){for(var i=4194303,r=Math.min(t.length,9),n=0;n<r;n++)e.words[n]=t.words[n];if(e.length=r,t.length<=9)return t.words[0]=0,void(t.length=1);var o=t.words[9];for(e.words[e.length++]=o&i,n=10;n<t.length;n++){var h=0|t.words[n];t.words[n-10]=(h&i)<<4|o>>>22,o=h}o>>>=22,t.words[n-10]=o,0===o&&t.length>10?t.length-=10:t.length-=9},b.prototype.imulK=function(t){t.words[t.length]=0,t.words[t.length+1]=0,t.length+=2;for(var e=0,i=0;i<t.length;i++){var r=0|t.words[i];e+=977*r,t.words[i]=67108863&e,e=64*r+(e/67108864|0)}return 0===t.words[t.length-1]&&(t.length--,0===t.words[t.length-1]&&t.length--),t},n(_,M),n(k,M),n(S,M),S.prototype.imulK=function(t){for(var e=0,i=0;i<t.length;i++){var r=19*(0|t.words[i])+e,n=67108863&r;r>>>=26,t.words[i]=n,e=r}return 0!==e&&(t.words[t.length++]=e),t},o._prime=function(t){if(y[t])return y[t];var e;if("k256"===t)e=new b;else if("p224"===t)e=new _;else if("p192"===t)e=new k;else{if("p25519"!==t)throw new Error("Unknown prime "+t);e=new S}return y[t]=e,e},x.prototype._verify1=function(t){r(0===t.negative,"red works only with positives"),r(t.red,"red works only with red numbers")},x.prototype._verify2=function(t,e){r(0===(t.negative|e.negative),"red works only with positives"),r(t.red&&t.red===e.red,"red works only with red numbers")},x.prototype.imod=function(t){return this.prime?this.prime.ireduce(t)._forceRed(this):t.umod(this.m)._forceRed(this)},x.prototype.neg=function(t){return t.isZero()?t.clone():this.m.sub(t)._forceRed(this)},x.prototype.add=function(t,e){this._verify2(t,e);var i=t.add(e);return i.cmp(this.m)>=0&&i.isub(this.m),i._forceRed(this)},x.prototype.iadd=function(t,e){this._verify2(t,e);var i=t.iadd(e);return i.cmp(this.m)>=0&&i.isub(this.m),i},x.prototype.sub=function(t,e){this._verify2(t,e);var i=t.sub(e);return i.cmpn(0)<0&&i.iadd(this.m),i._forceRed(this)},x.prototype.isub=function(t,e){this._verify2(t,e);var i=t.isub(e);return i.cmpn(0)<0&&i.iadd(this.m),i},x.prototype.shl=function(t,e){return this._verify1(t),this.imod(t.ushln(e))},x.prototype.imul=function(t,e){return this._verify2(t,e),this.imod(t.imul(e))},x.prototype.mul=function(t,e){return this._verify2(t,e),this.imod(t.mul(e))},x.prototype.isqr=function(t){return this.imul(t,t.clone())},x.prototype.sqr=function(t){return this.mul(t,t)},x.prototype.sqrt=function(t){if(t.isZero())return t.clone();var e=this.m.andln(3);if(r(e%2===1),3===e){var i=this.m.add(new o(1)).iushrn(2);return this.pow(t,i)}var n=this.m.subn(1),h=0;while(!n.isZero()&&0===n.andln(1))h++,n.iushrn(1);r(!n.isZero());var s=new o(1).toRed(this),a=s.redNeg(),u=this.m.subn(1).iushrn(1),l=this.m.bitLength();l=new 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