func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long inf = 1e9 + 7;   void solve() {     long long n, m;     cin >> n >> m;     if (m == 1) {       long long a = n * (n - 1) / 2;       cout << a <<     << a << endl;     } else {       long long aux = n - (m - 1);       long long maxi = aux * (aux - 1) / 2;       long long mini = 0;       aux = n / m;       long long left = n - m * aux;       if (left != 0) {         mini = (aux + 1) * aux / 2 * left + (m - left) * (aux * (aux - 1)) / 2;       } else {         mini = (aux * (aux - 1)) / 2 * m;       }       cout << mini <<     << maxi << endl;     }   }   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     int t = 1;     while (t--) {       solve();     }     return 0;   }   