#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n, x, y;
  cin >> n >> x >> y;
  long long p1 = x - 1 + y - 1, p2 = n - x + n - y;
  if (p1 <= p2)
    cout << "White";
  else
    cout << "Black";
  return 0;
}
