#include <bits/stdc++.h>
using namespace std;
template <typename T>
T gcd(T a, T b) {
  if (a == 0) return b;
  return gcd(b % a, a);
}
template <typename T>
T pow(T a, T b, long long m) {
  T ans = 1;
  while (b > 0) {
    if (b % 2 == 1) ans = ((ans % m) * (a % m)) % m;
    b /= 2;
    a = ((a % m) * (a % m)) % m;
  }
  return ans % m;
}
const long double eps = 1e-10L;
int main() {
  long long n;
  cin >> n;
  long long x, y;
  cin >> x >> y;
  long long dw = min(abs(x - 1), abs(y - 1));
  long long db = min(abs(x - n), abs(y - n));
  if (dw <= db) {
    cout << "White";
  } else {
    cout << "Black";
  }
}
