func_code_string: #include <bits/stdc++.h>   using namespace std;   long long i, j = 0, k, sum = 0, ctr = 0, c = 0, ok = 0;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     long long a, b, c;     cin >> a >> b >> c;     for (i = a; i >= 0; i--) {       if (c >= i * 4 && b >= i * 2) {         ok = i;         break;       }     }     cout << ok * 7;     return 0;   }   