#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int accept() {
  ll n;
  cin >> n;
  ll x, y, w, b;
  cin >> x >> y;
  w = max(x - 1, y - 1);
  b = max(n - x, n - y);
  if (w <= b)
    cout << "White"
         << "\n";
  else
    cout << "Black"
         << "\n";
  return 0;
}
int main() {
  int t = 1;
  while (t--) {
    accept();
  }
  return 0;
}
