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