## https://yukicoder.me/problems/no/3046


def main():
    N, B = map(int, input().split())
    A = list(map(int, input().split()))

    # ホワイトタイガー
    white_tiger = 0
    while B > 0:
        B //= 2
        white_tiger += 1

    a_array = []
    for a in A:
        k = 0
        while a > 0:
            a //= 2
            k += 1
        a_array.append(k)
    a_array.sort()

    answer = 0
    for a in a_array:
        if a < white_tiger:
            answer += 1
        elif a == white_tiger:
            answer += 1
            break
        else:
            break
    print(answer)









if __name__ == '__main__':
    main()