func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int n, k;     cin >> n >> k;     int sum = 0;     sum += 2 * n / k;     if (2 * n % k != 0) sum++;     sum += 5 * n / k;     if (5 * n % k != 0) sum++;     sum += 8 * n / k;     if (8 * n % k != 0) sum++;     cout << sum;     return 0;   }   