func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string x, y, z;     int a = 0, c = 0;     cin >> x;     cin >> y;     cin >> z;     for (int i = 0; i < x.length(); i++) {       for (int j = 0; j < z.length(); j++) {         if (x[i] == z[j]) {           c += 1;           z[j] =  1 ;           break;         }       }     }     for (int i = 0; i < y.length(); i++) {       for (int j = 0; j < z.length(); j++) {         if (y[i] == z[j]) {           a += 1;           z[j] =  1 ;           break;         }       }     }     if (c + a == z.length() && a == y.length() && c == x.length())       cout <<  YES ;     else       cout <<  NO ;   }   