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

if __name__ == "__main__":
    n = int(input())
    
    # 8, 64, 512, 4096, 32768
    if n == 0:
        print('1')
    else:
        n = n % 4
        if n == 0:
            print('6')
        elif n == 1:
            print('8')
        elif n == 2:
            print('4')
        else:
            print('2')