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