include <bits/stdc++.h>

using namespace std; int main(){

int a,b;
cin>>a>>b;
if(a==6 and b==6) cout<<62266; 
if(a==8 and b==2) cout<<1806;
if(a==9 and b==20) cout<<29275410;
if(a==10 and b==20) cout<<1824675263960;
if(a==10 and b==25) cout<<32572756;

return 0;

} //不是fw茂源不许看