#include <bits/stdc++.h>
long long int abss(long long int n) { return n > 0 ? n : (-n); }
int main() {
  long long int a, b, c;
  scanf("%I64d%I64d%I64d", &a, &b, &c);
  a = abss(a);
  b = abss(b);
  if (a + b > c)
    printf("No");
  else if ((abss(a + b - c)) % 2 == 1)
    printf("No");
  else
    printf("Yes");
  return 0;
}
