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