#include <bits/stdc++.h>
using namespace std;
long long int a[1000000], b[1000000];
int main() {
  ios ::sync_with_stdio(false);
  cin.tie(0);
  long long n, m, k, i, j, u, v, l, x, ck1 = 0, y, z, ck3 = 0, ck2 = 0, sum = 0,
                                       sum1 = 0, sum2 = 0, ck = 0;
  string s, t;
  cin >> n >> x >> y;
  u = max(x, y) - 1;
  v = n - min(x, y);
  if (u <= v)
    cout << "White"
         << "\n";
  else
    cout << "Black"
         << "\n";
}
