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

exp = int(input())

if exp == 0:
	lstDigit = 1
else:
	modExp = exp % 4
	if modExp == 1:
		lstDigit = 8
	else: 
		if modExp == 2:
			lstDigit = 4
		else: 
			if modExp == 3:
				lstDigit = 2
			else:
				lstDigit = 6
print(lstDigit)