func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int i = 0;     char a;     char A[] =  hello ;     while (cin >> a && a !=   n ) {       if (a == A[i]) i++;     }     if (i == 5)       cout <<  YES  << endl;     else       cout <<  NO  << endl;   }   