#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
const long long N = 1e5 + 10;
long long a[N], n;
signed main() {
  ios::sync_with_stdio(0);
  cin >> n;
  long long x, y;
  cin >> x >> y;
  if ((x - 1 + y - 1) <= (n - x + n - y)) {
    cout << "White";
  } else {
    cout << "Black";
  }
}
