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