func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string x, y, z;     cin >> x;     cin >> y;     cin >> z;     x += y;     sort(x.begin(), x.end());     sort(z.begin(), z.end());     if (x.length() != z.length())       cout <<  NO             <<   n ;     else {       for (int i = 0; i < x.length(); i++) {         if (x[i] != z[i]) {           cout <<  NO                 <<   n ;           return 0;         }       }       cout <<  YES             <<   n ;     }     return 0;   }   