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