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

n = (int) (input ());
if n == 0: 
    print (1);
else:
    if n % 4 == 0:
        print (6);
    else:
        if n % 4 == 1:
            print (8);
        else:
            if n % 4 == 2:
                print (4);
            else:
                print (6);