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