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 fastexp(x,n,m):
    result = 1
    currentpower = x
    while n > 0:
        if n % 2 == 1:
            result = (result * currentpower) % m

        currentpower = (currentpower * currentpower) % m
        n = n//2

    return result

a = int(input())
b=fastexp(8, a, 10)
print(b)