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