func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string x;     getline(cin, x);     sort(x.begin(), x.end());     int res = unique(x.begin(), x.end()) - x.begin();     if (res % 2 == 0) {       cout <<  CHAT WITH HER! ;     } else {       cout <<  IGNORE HIM! ;     }     return 0;   }   