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