#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  long long n;
  cin >> n;
  long long sx = 1ll, sy = 1ll, dx = n, dy = n;
  long long a, b;
  cin >> a >> b;
  long long c = min(a - 1ll, b - 1ll);
  sx += c, sy += c;
  c += labs(a - sx) + labs(b - sy);
  long long d = min(n - a, n - b);
  dx -= d, dy -= d;
  d += labs(a - dx) + labs(b - dy);
  if (c <= d)
    cout << "White" << endl;
  else
    cout << "Black" << endl;
  return 0;
}
