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