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