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