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