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 Pow(n):
	a = 1
	ans = 8
	while n:
		if (n & 1):
			a = (a * ans) % 10
		ans = (ans * ans) % 10 
		n = n >> 1
	return a

n = eval(input())
print(Pow(n))
