#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int T = 1;
  while (T--) {
    long long a, b, s;
    cin >> a >> b >> s;
    s = s - abs(a) - abs(b);
    if (s % 2 == 0 && s >= 0)
      cout << "Yes";
    else
      cout << "No";
  }
}
