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