#include <bits/stdc++.h>
using namespace std;
const int inf = 100000017;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  long long n, m, k, l, p;
  cin >> n;
  long long x, y;
  cin >> x >> y;
  long long dist1 = x - 1 + y - 1;
  long long dist2 = n - x + n - y;
  if (dist1 <= dist2)
    cout << "White";
  else
    cout << "Black";
}
