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