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