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