#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int a, b, c = 0, d = 0, m, n, p, t = 0, k, array[100000 + 10], q,
                      sum1, cnt = 0, sum, flag, ans, f = 0, l;
  long long int ct, qt, i, j;
  double arr[100000];
  string str, ptr, sp[5000], st;
  set<pair<long long int, long long int>> vecs;
  vector<long long int> vi(100000, 0);
  stack<long long int> stck;
  vector<char> vc;
  set<char> sc;
  cin >> a;
  cin >> n >> m;
  if (max(a - n, a - m) < max(n - 1, m - 1)) {
    cout << "Black" << endl;
  } else
    cout << "White" << endl;
}
