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