func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s1, s2;     cin >> s1 >> s2;     int flag = 0;     for (int i = 0, j = s2.length() - 1; i < s1.length(), j >= 0; i++, j--) {       if (s1[i] == s2[j]) {         flag++;       }     }     if (flag == s1.length())       cout <<  YES  << endl;     else       cout <<  NO ;     return 0;   }   