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