func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long N = (long long)(2e5), MOD = 1e9 + 7;   const long long INF = 1e17;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     string s;     cin >> s;     int cnt = 0;     string copy;     copy += s[0];     for (int i = 1; i < s.size(); i++) {       if (s[i] == copy[copy.size() - 1]) {         copy.erase(copy.begin() + copy.size() - 1);         cnt++;       } else         copy += s[i];     }     if (cnt % 2 == 0)       cout <<  No ;     else       cout <<  Yes ;   }   