#include <bits/stdc++.h>
using namespace std;
unsigned long long n, n1, n2;
int main() {
  cin >> n;
  cin >> n1 >> n2;
  ((n - n1) + (n - n2) >= (n1 - 1) + (n2 - 1)) ? cout << "White"
                                               : cout << "Black";
  return 0;
}
