#include <bits/stdc++.h>
using namespace std;
long long n, m, sum, a, ans, x, y;
int main() {
  ios_base::sync_with_stdio(false);
  cin >> n;
  cin >> x >> y;
  sum = (x - 1) + (y - 1);
  ans = (n - x) + (n - y);
  if (sum <= ans) {
    cout << "White";
    return 0;
  } else {
    cout << "Black";
  }
}
