#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int n, w1, w2, b1, b2;
  cin >> n;
  long long int x, y;
  cin >> x >> y;
  w1 = (x - 1);
  b1 = (n - x);
  w2 = (y - 1);
  b2 = (n - y);
  if (w1 + w2 <= b1 + b2) {
    cout << "White" << endl;
  } else {
    cout << "Black" << endl;
  }
}
