func_code_string: #include <bits/stdc++.h>   using namespace std;   int q;   int k;   int main() {     cin >> q;     for (int i = 0; i < q; ++i) {       cin >> k;       if (k % 4 == 0) cout << (k / 4 <= 0 ? -1 : k / 4);       if (k % 4 == 1) cout << (k / 4 - 1 <= 0 ? -1 : k / 4 - 1);       if (k % 4 == 2) cout << (k / 4 <= 0 ? -1 : k / 4);       if (k % 4 == 3) cout << (k / 4 - 2 <= 0 ? -1 : k / 4 - 1);       cout << endl;     }   }   