func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     while (n--) {       int q, ans = 0;       cin >> q;       if (q % 2) q -= 9, ans++;       if (q < 0)         ans = -1;       else         ans += q / 4;       if (q == 2) ans = -1;       cout << ans << endl;     }     return 0;   }   