func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     cin >> s;     int n = s.size();     string s1 =  hello ;     int n1 = s1.size();     int i = 0, j = 0;     int count = 0;     while (j < n1 && i < n) {       if (s1[j] == s[i]) {         j++;         count++;       }       i++;     }     if (count == n1) {       cout <<  YES  << endl;     } else {       cout <<  NO  << endl;     }     return 0;   }   