#include <bits/stdc++.h>
using namespace std;
long long n, a, b, s, mn, q;
int main() {
  cin >> n >> a >> b;
  s = (a - 1 + (b - 1));
  q = ((n - a) + (n - b));
  mn = min(s, q);
  if (s <= q)
    cout << "White";
  else
    cout << "Black";
}
