#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n, r, c;
  cin >> n;
  cin >> r >> c;
  long long Wr, Wc, Br, Bc;
  Wr = abs(1 - r);
  Wc = abs(1 - c);
  Br = abs(n - r);
  Bc = abs(n - c);
  if (Wr == Bc && Wc == Br) {
    cout << "White";
    return 0;
  }
  if (Wr <= Bc || Wc <= Br)
    cout << "White";
  else
    cout << "Black";
  return 0;
}
