func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long n;     cin >> n;     if (n % 7 == 0)       cout << 2 * n / 7 <<     << 2 * n / 7;     else {       if (n % 7 == 1)         cout << 2 * (n / 7) <<     << 2 * (n / 7) + 1;       else if (n % 7 < 6)         cout << 2 * (n / 7) <<     << 2 * (n / 7) + 2;       else         cout << 2 * (n / 7) + 1 <<     << 2 * (n / 7) + 2;     }     return 0;   }   