#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  long long int a, b, s;
  cin >> a >> b >> s;
  long long int pasos_x = abs(a), pasos_y = abs(b);
  long long int pasos = pasos_x + pasos_y;
  string answer = (s < pasos || (s - pasos) % 2 != 0) ? "No" : "Yes";
  cout << answer << endl;
  return 0;
}
