int p(int x,int y){return y?x*p(x,y-1):1;}
int k(int x,int y,int n){return n-1?y?k(x,k(x,y-1,n),n-1):1:p(x,y);}
int g(int z){return k(3,3,z);}
int G(int w){return w-1?g(G(w-1)):g(4);}
int main(){return G(64);}

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