#include <bits/stdc++.h>
int main(void) {
  long long l, x, y, w, b;
  scanf("%I64d", &l);
  scanf("%I64d %I64d", &x, &y);
  w = x - 1 + y - 1;
  b = l - x + l - y;
  if (w <= b)
    printf("%s", "White");
  else
    printf("%s", "Black");
  return 0;
}
