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