func_code_string: #include <bits/stdc++.h>   using namespace std;   long long resp, n, m, tt;   int main() {     cin >> n >> m;     if (m % 2 == 0) {       tt = m / 2;       tt = tt * (tt + 1) - tt;     } else {       tt = m / 2;       tt = tt * (tt + 1);     }     for (long long i = 2; i <= n; i += 2) {       resp += tt * (n - i + 1);     }     cout << resp;     return 0;   }   