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