#include <bits/stdc++.h>
using namespace std;
long long int n, a, b, g, h;
int main() {
  cin >> n >> a >> b;
  g = a - 1 + b - 1;
  h = n - a + n - b;
  if (g <= h) {
    cout << "White";
  } else {
    cout << "Black";
  }
  return 0;
}
