#include <bits/stdc++.h>
int main() {
  long long n, x, y;
  long long max1, max2;
  scanf("%I64d %I64d %I64d", &n, &x, &y);
  max1 = x > y ? x : y;
  max1--;
  max2 = n - x > n - y ? n - x : n - y;
  if (max2 < max1) {
    printf("Black\n");
  } else {
    printf("White\n");
  }
  return 0;
}
