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