#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int a, b, s;
  cin >> a >> b >> s;
  if (a < 0) a *= -1;
  if (b < 0) b *= -1;
  long long int mind = (a + b);
  if (s < mind)
    cout << "No\n";
  else {
    if ((mind - s) % 2 == 0)
      cout << "Yes\n";
    else
      cout << "No\n";
  }
  return 0;
}
