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