func_code_string: #include <bits/stdc++.h>   using namespace std;   int count(string &s) {     int p = 0;     for (int i = 0; i < s.length(); i++) {       if (s[i] ==  1 ) p++;     }     return p;   }   int main() {     string a, b;     cin >> a >> b;     int x, y;     x = count(a);     y = count(b);     if (x >= y || (x + 1 == y && x % 2 == 1))       cout <<  YES ;     else       cout <<  NO ;   }   