2 1
1 1
 4 1
2 2 1 1
 10 1
2 6 3 4 2 4 4 3 2 1
 2 1
999152 999153
 8 1000000
1 1 5 1000000 1000000 2 2 2
 9 2
1 6 1 5 5 8 6 8 7
 15 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
 1 4
8
 10 1
6 3 1 3 6 4 1 3 6 4
 10 1
1 2 3 5 6 8 10 11 9 4
 7 2
1 5 5 8 9 8 8
 2 1000000
1 1000000
 8 2
3 13 9 8 3 13 9 14
 1 1
1
 2 1
1 2

2
 2
 4
 1
 2
 4
 15
 1
 7
 2
 4
 1
 5
 1
 1

/**
 * Created by CUONG on 6/10/2018.
 */
import java.util.*;
public class Bacteria {
    public static void main(String[] args)
    {
        Scanner s= new Scanner(System.in);
        int n= s.nextInt();
        int k= s.nextInt();
        int[] bact= new int[n];
        for (int i=0; i<n; i++)
        {
            bact[i]= s.nextInt();
        }
        Arrays.sort(bact);
        int ans=1;
        for (int i=1; i<n; i++)
        {
            if (Math.abs(bact[i]-k)>bact[i-1]) ans++;
        }
        System.out.println(ans);
    }
}
