source_code: import java .util.*;
  import java .io.*;
  public class Main{
  	public static void main(String[]YAHIA_MOSTAFA){
  		Scanner sc =new Scanner(System.in);
  		long n=sc.nextLong(),x=sc.nextLong(),y=sc.nextLong();
  		long xb,xw,yb,yw;
  		xw=x-1;yw=y-1;xb=n-x;yb=n-y;
  		if (x==n&&y==n){
  			System.out.println("Black");return;
  		}
  		long c1=0,c2=0;
  		long f =Math.max(xb,yb);
  		long h =Math.max(xw,yw);
  		//System.out.println(h+" "+f+" "+(h-f));
  		if (h<=f)
  			System.out.println("White");
  		else
  			System.out.println("Black");
  	}
  }