#include <bits/stdc++.h>
using namespace std;
int32_t main() {
  long long a, b, s;
  cin >> a >> b >> s;
  long long p = s - abs(a) - abs(b);
  if (p >= 0 && p % 2 == 0)
    cout << "Yes";
  else
    cout << "No"
         << "\n";
}
