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

#n=int(input())
n,k=list(map(int,input().split()))
a=list(map(int,input().split()))
#n,k=[7,1]
#a=list(map(int,'101 53 42 102 101 55 54'.split()))


a.sort()
print(a)
a1=a[0]
eq=1
l=len(a)
for a2 in a[1:]:
    if a2==a1:
        eq+=1
        continue
    if a2>a1 and a2-a1<=k:
        l-=eq
        a1=a2
        e1=1
    else:
        a1=a2
        eq=1
if l<=0:
    l=1
print(l)
