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

def verify(arr,val,ind):
    while ind!=-1 and arr[ind]==val:
        arr[ind]=-1
        ind=ind-1
inp=input('')
il=inp.split()
[n,k]=[int(il[0]),int(il[1])]
bacsizes=input('')
bsl=bacsizes.split()
for i in range(0,len(bsl)):
    bsl[i]=int(bsl[i])
bsl.sort(key=None,reverse=False)
for i in range(1,len(bsl)):
    u=bsl[i]-bsl[i-1]
    if u <= k and u!=0:
        verify(bsl,bsl[i-1],i-1)

count=0
for bs in bsl:
    if bs !=-1:
        count=count+1
print(count)
