#include <bits/stdc++.h>
using namespace std;
int b[255], c[255];
int main() {
  long long a, b, c;
  cin >> a >> b >> c;
  if (abs(a) + abs(b) > c) {
    cout << "No";
    return 0;
  }
  if ((abs(a) + abs(b)) % 2 == c % 2)
    cout << "Yes";
  else
    cout << "No";
  return 0;
}
