#include <bits/stdc++.h>
using namespace std;
const long long MAXN = 5e6;
long long log_10(long long n) {
  long long cnt = 0;
  while (n > 0) {
    n /= 10;
    cnt++;
  }
  return cnt;
}
int main() {
  ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
  long long n, x, y;
  cin >> n >> x >> y;
  long long w = abs(x - 1) + abs(y - 1), b = abs(n - x) + abs(n - y);
  if (w <= b)
    cout << "White";
  else
    cout << "Black";
  return 0;
}
