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