样例都对了
#include<bits/stdc++.h> using namespace std; int m,n; int main(){ cin>>n>>m; cout<<m*n*(n+1)-n*(n+1)*(m+n)/2+n*(n+1)*(2*n+1)/6<<" "<<n*m*(n+1)*(m+1)/4-(m*n*(n+1)-n*(n+1)*(m+n)/2+n*(n+1)*(2*n+1)/6); return 0; }