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 last_digit_by_multiplication(n):
    last_digit = 8
    for i in range(1, n):
        last_digit = (last_digit * 8) % 10

    if n == 0:
        return 1
    else:
        return last_digit


def last_digit_by_hack(n):
    last_digits = [8, 4, 2, 6, 8, 4, 2, 6]
    index = n % len(last_digits) - 1
    if index < 0:
        index = len(last_digits) - 1

    if n == 0:
        return 1
    else:
        return last_digits[index]


def main():
    n = int(input())
    hack = last_digit_by_hack(n)
    print(hack)



main()