n, k = map(int, input().split())
x = list(map(int, input().split()))
ans = n
i = 0
j = 1
while True:
    l = x[i]
    r = x[j]
    if i >= n-1 or j >= n-1:
        break
    if r - l < k:
        ans -= 1
        j += 1
    else:
        i = j
        j += 1

print(ans)