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