func_code_string: #include <bits/stdc++.h>   const double PI = atan(1) * 4;   const double E = exp(1);   const int oo = 1e9;   const int eps = 1e-9;   using namespace std;   bool vo(char c) {     return (c ==  a  or c ==  e  or c ==  i  or c ==  o  or c ==  u );   }   int main() {     ios::sync_with_stdio(0);     string s;     cin >> s;     bool b = true;     for (int i = 0; i < ((int)((s).size())) and b; i++) {       if ((!vo(s[i]) and s[i] !=  n ) and           (i + 1 >= ((int)((s).size())) or !vo(s[i + 1])))         b = false;     }     if (b)       cout <<  YES n ;     else       cout <<  NO n ;   }   