func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long inf = 1e15;   const long double pi = 3.141592;   const long long mod1 = 1e9 + 7;   int gcd(int a, int b) { return b ? gcd(b, a % b) : a; }   int main() {     int n;     cin >> n;     vector<int> d(n + 1);     set<int> set;     int x = 1, y = 1;     int m = 1;     for (int i = 1; i <= n; i++) {       cin >> d[i];       m = max(m, d[i]);     }     for (int i = 1; i <= n; i++) {       if (m % d[i] == 0 && set.find(d[i]) == set.end()) {         set.insert(d[i]);         d[i] = -1;       }     }     for (int i = 1; i <= n; i++) {       y = max(y, d[i]);     }     cout << m <<     << y;     return 0;   }   