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

#not submitted not complete
#http://codeforces.com/problemset/problem/742/A
n = int(input())
if n==0:
	print(1)
else:
	n %= 4
	if n==1:
		print(8)
	elif n==2:
		print(4)
	elif n==3:
		print(2)
	else:
		print(6)