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