func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     long long t;     cin >> t;     while (t--) {       long long n, x;       cin >> n;       string s =   ;       if (n % 2 == 0) {         s +=  1 ;       } else         s +=  7 ;       x = n / 2 - 1;       for (long long i = 0; i < (x); ++i) s +=  1 ;       cout << s <<   n ;     }   }   