#include <bits/stdc++.h>
using namespace std;
long long qpow(long long b, long long e) {
  if (e == 0) return 1LL;
  if (e & 1LL) return qpow(b, e - 1LL) * b;
  return qpow(b * b, e >> 1LL);
}
int main() {
  long long n, x, y;
  cin >> n >> x >> y;
  long long a = max(n - x, n - y);
  long long b = max(x - 1, y - 1);
  cout << (a < b ? "Black" : "White") << endl;
  return 0;
}
