func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string str;     getline(cin, str);     char c = 0;     int n = str.length();     for (int i = n - 1; i >= 0; i--) {       if ((str[i] >= 65 && str[i] <= 90) || (str[i] >= 97 && str[i] <= 122)) {         c = str[i];         break;       }     }     if (c ==  a  || c ==  e  || c ==  i  || c ==  o  || c ==  u  || c ==  y  ||         c ==  A  || c ==  E  || c ==  I  || c ==  O  || c ==  U  || c ==  Y )       cout <<  YES ;     else       cout <<  NO ;     return 0;   }   