#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n;
  cin >> n;
  long long x, y;
  cin >> x >> y;
  long long r1 = x - 1 + y - 1;
  long long r2 = n - x + n - y;
  if (r1 <= r2)
    cout << "White\n";
  else
    cout << "Black\n";
}
