# 1本目を残さないというシナリオはない、でよいか

N, K = map(int, input().split())
X = list(map(int, input().split()))

keep = 1
last = X[0]
for i in range(1, N):
    if X[i]-last>=K:
        last = X[i]
        keep += 1
print(keep)