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,k=(map(int,input().strip().split(' ')))
brr=list(map(int,input().strip().split(' ')))
arr=list(set(brr))
arr.sort(reverse=True)
n=len(arr)
for i in range(n-2,-1,-1):
  if(arr[i]<=arr[i+1]+k):
    arr[i+1]=-1
ans=[0 for i in range(1000001)]
for i in arr:
  if(i!=-1):
    ans[i]+=1
an=[]
for i in brr:
  if(ans[i]!=0):
    an.append(i)
print(len(an))

