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