#include <bits/stdc++.h>
int main() {
  long long int a, b, s, c, d, e, f;
  scanf("%I64d %I64d %I64d", &a, &b, &s);
  e = abs(a);
  f = abs(b);
  c = e + f;
  if (e == 0 && f == 0) {
    if (s % 2 == 0) {
      printf("Yes");
    } else {
      printf("No");
    }
  } else if (c == s) {
    printf("Yes");
  } else if (c < s) {
    d = s - c;
    if (d % 2 == 0) {
      printf("Yes");
    } else {
      printf("No");
    }
  } else {
    printf("No");
  }
  return 0;
}
