func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int a, b, c;     cin >> a >> b >> c;     while (a > 0) {       if (2 * a <= b && 4 * a <= c) {         cout << 7 * a;         return 0;       } else {         a--;       }     }     cout <<  0 ;     return 0;   }   