#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, r;
  cin >> a >> b >> r;
  int k = r - abs(a) - abs(b);
  if (k > -1 && k % 2 == 0) {
    cout << "Yes" << endl;
    return 0;
  }
  cout << "No" << endl;
  return 0;
}
