#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n, a, b;
  cin >> n >> a >> b;
  long long ans1 = 0;
  long long ans2 = 0;
  long long r1 = 0;
  long long r2 = 0;
  long long r3 = 0;
  long long r4 = 0;
  r1 = abs(1 - a);
  r2 = abs(1 - b);
  ans1 = r1 + r2;
  r3 = abs(n - a);
  r4 = abs(n - b);
  ans2 = r3 + r4;
  if (ans1 <= ans2)
    cout << "White";
  else
    cout << "Black";
  return 0;
}
