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