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