#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  long long x, y, n;
  cin >> x >> y >> n;
  cout << ((n - (abs(x) + abs(y))) % 2 == 0 && n >= (abs(x) + abs(y)) ? "Yes"
                                                                      : "No");
  return 0;
}
