#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
int main() {
  long long n, x, y;
  cin >> n >> x >> y;
  long long b = abs((n - x) + (n - y));
  long long w = abs((x - 1) + (y - 1));
  (b < w) ? cout << "Black" : cout << "White";
  return 0;
}
