#include <bits/stdc++.h>
using namespace std;
long long gcd(long long a, long long b) {
  if (b == 0) return a;
  return gcd(b, a % b);
}
long long lcm(long long a, long long b) { return a / gcd(a, b) * b; }
signed main(void) {
  long long n;
  cin >> n;
  long long x, y;
  cin >> x >> y;
  long long a = x - 1 + y - 1;
  long long b = n - x + n - y;
  if (a <= b)
    cout << "White" << endl;
  else
    cout << "Black" << endl;
}
