func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, k, ans = 0, a, b;     cin >> n;     ans = 1;     for (int i = sqrt(n); i >= 1; i--) {       if (n % i == 0) {         k = i;         break;       }     }     cout << k <<     << n / k << endl;     return 0;   }   