史上最短

#绝境#压制#猎奇#诡异#阴暗#扭曲#蠕动#破镜
行，废话不多说直接上代码
CODE

int main(){int m,n,s=0;__builtin_scanf("%d%d",&n,&m);for(int i=1;i<=n&&i<=m;i++){s+=(n-i+1)*(m-i+1);}__builtin_printf("%d",s);return 0;}