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

"""
1 => 8 * 1 = 8
2 => 8 * 8 = 4
3 => 4 * 8 = 2
4 => 2 * 8 = 6
5 => 6 * 8 = 8
6 => 8 * 8 = 4
7 => 4 * 8 = 2
"""


n = int(input())

num = n % 4
if n == 0:
    print(1)
elif num == 1:
    print(8)
elif num == 2:
    print(4)
elif num == 3:
    print(2)
elif num == 0:
    print(6)




