#include <bits/stdc++.h>
using namespace std;
long long n, x, y;
long long fabs(long long a) {
  if (a < 0) a = -a;
  return a;
}
long long fn(long long a, long long b) {
  long long ans = 0;
  if (a == x) return fabs(b - y);
  if (b == y) return fabs(a - x);
  long long dx = fabs(a - x);
  long long dy = fabs(b - y);
  ans += min(dx, dy);
  ans += fabs(x - y);
  return ans;
}
int main() {
  cin >> n;
  cin >> x >> y;
  if (fn(1, 1) <= fn(n, n))
    cout << "White";
  else
    cout << "Black";
}
