12
 1378
 51202278
 989898989
 4
 7
 9
 6
 8
 12193721
 999999995
 999999999
 11
 999999996
 999999998
 3
 14
 15
 10
 999999994
 1000
 13781378
 5
 999999997
 1000000000
 13
 16
 0

6
 4
 4
 8
 6
 2
 8
 4
 6
 8
 2
 2
 2
 6
 4
 2
 4
 2
 4
 4
 6
 4
 8
 8
 6
 8
 6
 1





def list_from_input():
    return list(map(int, input().split()))


def expreiment():
    last_digit = 8
    for n in range(1, 30):
        for i in range(1, n):
            last_digit = (last_digit * 8) % 10
        print(n, last_digit)


def main():
    n = int(input())

    # Нашли повторяющуюся последовательность!
    # expreiment()
    last_digits = [8, 4, 6, 2, 2, 6, 4, 8]
    index = n % len(last_digits) - 1
    if index < 0:
        index = 0

    if n == 0:
        print(1)
    else:
        print(last_digits[index])


main()