#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int n, r, c, w, b;
  scanf("%I64d %I64d %I64d", &n, &r, &c);
  w = max(r, c) - 1;
  b = n - min(r, c);
  if (b < w)
    printf("Black\n");
  else
    printf("White\n");
  return 0;
}
