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 power(a,b,mod):
    res = 1
    while b:
        if b % 2:
            res = (res * a) % mod
            b -= 1
        else:
            a = (a * a) % mod
            b = b // 2
    return res

def main():
    n = int(input())
    print(power(8,n,10))

if __name__=='__main__':
    main()