#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 5;
int a[maxn];
int main() {
  long long n;
  scanf("%lld", &n);
  long long x, y;
  scanf("%lld%lld", &x, &y);
  long long tmp1 = abs(x - 1) + abs(y - 1) - min(abs(x - 1), abs(y - 1));
  long long tmp2 = abs((x - n)) + abs((y - n)) - min(abs(x - n), abs(y - n));
  if (tmp1 <= tmp2) {
    cout << "White\n";
  } else
    cout << "Black\n";
  return 0;
}
