n,k=map(int,input().split())
xlist=list(map(int,input().split()))
i=0
while True:
	if abs(xlist[i+1]-xlist[i])<k:
		xlist.pop(i+1)
		xlist.sort()
	else:
		i=i+1
	if len(xlist)<i:
		break		
		
print(len(xlist))