#include <bits/stdc++.h>
using namespace std;
int64_t dist(int64_t a, int64_t b, int64_t c, int64_t d) {
  return abs(a - c) + abs(b - d);
}
void solve() {
  int64_t n, x, y;
  cin >> n >> x >> y;
  --x;
  --y;
  int64_t f1 = dist(0, 0, x, y);
  int64_t f2 = dist(n - 1, n - 1, x, y);
  cout << (f1 <= f2 ? "White" : "Black") << endl;
}
int main() {
  ios::sync_with_stdio(false);
  solve();
  return 0;
}
