#include <bits/stdc++.h>   using namespace std;   int main() {     int T;     cin >> T;     while (T--) {       long long n, side = 0, ans = 0;       cin >> n;       int i = (n + 1) % 4;       if (i == 0)         ans = n + 1;       else if (i == 1 || i == 3)         ans = 4 * n + 1;       else         ans = 2 * n + 1;       cout << ans <<   n ;     }     return 0;   }   