#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, d;
  cin >> a >> b >> d;
  if (a < 0) a = -a;
  if (b < 0) b = -b;
  if (d < (a + b) || ((d - a - b) & 1))
    cout << "No";
  else
    cout << "Yes";
  return 0;
}
