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

import java.util.*;

public class Test{
public static void main(String[] args){
Scanner input = new Scanner(System.in);
int bacteria = input.nextInt();
int konst = input.nextInt();
input.nextLine();
ArrayList<Integer> bac = new ArrayList<>();
for (int i = 0; i < bacteria; i++){
    bac.add(input.nextInt());
}

Collections.sort(bac);

int result = bac.size();

for (int i = 0, a = 0; i < bac.size(); i++){
    while (a < bac.size() && bac.get(i) >= bac.get(a)){
        a++;
    }
    if (a < bac.size() && bac.get(a) - bac.get(i) <= konst){
        result--;
    }
}

System.out.println(result);

}


}