def func():
    print("")
    N = int(input("N > "))
    if N > 10000 or N < 0:
        print("N must be less than 10000 and more than 0!")
        func()

    data = list(map(int, input("Data > ").split()))
    if len(data) > N or len(data) < N:
        print("Data length must be", N)
        func()

    X = int(input("X > "))

    a = 0

    for i in data:
        if i == X:
            a += 1
    print(a)
func()