#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n, x, y;
  while (cin >> n) {
    cin >> x >> y;
    long long white, black;
    white = max(abs(1LL - x), abs(1LL - y));
    black = max(abs(n - x), abs(n - y));
    if (white <= black)
      cout << "White\n";
    else
      cout << "Black\n";
  }
  return 0;
}
