#include <bits/stdc++.h>
using namespace std;
const int MAXN = 3e5 + 55;
const long long INF = 1e16;
const double eps = 1e-12;
int main() {
  long long n, x, y;
  scanf("%lld", &n);
  scanf("%lld", &x);
  scanf("%lld", &y);
  long long w = x + y - 2;
  long long b = n + n - x - y;
  if (w <= b)
    printf("White\n");
  else
    printf("Black\n");
}
