#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n;
  cin >> n;
  long long x, y;
  cin >> x >> y;
  x--;
  y--;
  n--;
  long long c1 = max(x, y);
  long long c2 = max(n - x, n - y);
  if (c1 <= c2)
    cout << "White" << endl;
  else
    cout << "Black" << endl;
  return 0;
}
