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