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