func_code_string: #include <bits/stdc++.h>   using namespace std;   ifstream f( date.in );   queue<long long> q;   long long n, k, fr[1000001];   long long GCD(long long x, long long y) {     long long r;     do {       r = x % y;       x = y;       y = r;     } while (y != 0);     return x;   }   int main() {     long long ans;     cin >> n >> k;     ans = k;     for (int i = 1; i <= n; i++) {       long long x;       cin >> x;       ans = GCD(x, ans);     }     cout << k / ans <<   n ;     for (int i = 0; i < k / ans; i++) cout << i * ans <<    ;   }   