#include <bits/stdc++.h>
using namespace std;
const int N = 3e5 + 11;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  long long n, x, y;
  cin >> n >> x >> y;
  long long p1 = max(x - 1, y - 1);
  long long p2 = max(n - x, n - y);
  if (p1 <= p2)
    cout << "White" << endl;
  else
    cout << "Black" << endl;
}
