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