#include <bits/stdc++.h>
using namespace std;
long long INF = 1e9;
const int MAX = 1e5 + 7, N = 1e5 + 3;
double pi = acos(-1);
long long r, l, k, m, n, ans;
int main() {
  cin >> n;
  cin >> k >> l;
  long long m1 = k - 1 + l - 1;
  long long m2 = n - k + n - l;
  if (m1 <= m2) {
    cout << "White" << endl;
  } else {
    cout << "Black" << endl;
  }
  return 0;
}
