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

size, k = input().split()
size = int(size)
k = int(k)

nums = input().split()
nums = [int(i) for i in nums]

occurances={i:0 for i in nums}
for num in nums:
    occurances[num]+=1

ans = []
nums = sorted(occurances.keys())
for i in range(len(nums)-1):
    if not (nums[i]<nums[i+1] and nums[i]+k>=nums[i+1]):
        ans.append(nums[i])

ans.append(nums[-1])
ans_num=0
for i in ans:
    ans_num += occurances[i]

print(ans_num)
