2 1
1 1
 4 1
2 2 1 1
 10 1
2 6 3 4 2 4 4 3 2 1
 2 1
999152 999153
 8 1000000
1 1 5 1000000 1000000 2 2 2
 9 2
1 6 1 5 5 8 6 8 7
 15 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
 1 4
8
 10 1
6 3 1 3 6 4 1 3 6 4
 10 1
1 2 3 5 6 8 10 11 9 4
 7 2
1 5 5 8 9 8 8
 2 1000000
1 1000000
 8 2
3 13 9 8 3 13 9 14
 1 1
1
 2 1
1 2

2
 2
 4
 1
 2
 4
 15
 1
 7
 2
 4
 1
 5
 1
 1

def update_victim(sizes, K):
    # victims = []
    victim = 1e8
    for i in sizes:
        if i - K > victim:
            continue
        for j in sizes:
            if i > j and i <= j + K:
                # victims.append(j)
                victim = j
                print("hello")
    return victim

def main():
    n, K = input().split(' ')

    n = int(n)
    K = int(K)

    sizes = [int(i) for i in input().split(' ')]

    victim = update_victim(sizes, K)
    while True:
        if victim == 1e8:
            break
        sizes = [sizes[i] for i in range(len(sizes)) if i != sizes.index(victim)]
        victim = update_victim(sizes, K)

    print(len(sizes))

if __name__ == '__main__':
    main()