func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, m;     cin >> n >> m;     int x = 2 * n, y = 3 * m;     int k = 1;     while (6 * k <= x && 6 * k <= y) {       if (x + 2 <= y + 3)         x += 2;       else         y += 3;       k += 1;     }     cout << max(x, y);     return 0;   }   