func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int a, b, n;     cin >> a >> b >> n;     if (abs(a) + abs(b) <= n) {       if ((n - abs(a) - abs(b)) % 2 == 0)         cout <<  Yes ;       else         cout <<  No ;     } else {       cout <<  No ;     }   }   