#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 5;
const int mod = 1e9 + 7;
int main() {
  long long int n, x, y;
  cin >> n >> x >> y;
  long long int A = x - 1 + y - 1;
  long long int B = n - x + n - y;
  if (A <= B)
    cout << "White";
  else
    cout << "Black";
  return 0;
}
