import sys

def main():
    n, k = map(int, sys.stdin.readline().split())
    x = list(map(int, sys.stdin.readline().split()))
    if n == 0:
        print(0)
        return
    count = 1
    prev = x[0]
    for i in range(1, n):
        if x[i] >= prev + k:
            count += 1
            prev = x[i]
    print(count)

if __name__ == "__main__":
    main()