#include <bits/stdc++.h>
using namespace std;
int main() {
  long long v = 0, n, i = 0, j, k, w1, w2, x, y, b1, b2, t, u;
  cin >> n;
  cin >> x >> y;
  w1 = 1;
  w2 = 1;
  b1 = n - x;
  b2 = n - b1;
  w1 = x - 1;
  w2 = 1 + w1;
  v += w1 + y - w2;
  i += b1 + b2 - y;
  if (max(n - x, n - y) < max(x - 1, y - 1))
    cout << "Black" << endl;
  else
    cout << "White" << endl;
}
