#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 7;
const int INF = 1e9 + 7;
int a[MAXN];
int main() {
  long long n;
  cin >> n;
  long long x, y;
  cin >> x >> y;
  long long dis1 = (x - 1) + (y - 1);
  long long dis2 = (n - x) + (n - y);
  if (dis1 <= dis2)
    cout << "White\n";
  else
    cout << "Black\n";
  return 0;
}
