#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, c;
  scanf("%d %d %d\n", &a, &b, &c);
  bool can = false;
  int jarak;
  jarak = abs(a) + abs(b);
  if (c >= jarak) {
    if (c - jarak == 0 || (c - jarak) % 2 == 0) can = true;
  }
  printf("%s\n", can ? "Yes" : "No");
}
