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

"""609C"""
# import math
def main():
	n = int(input())
	if n==0:
		print(1)
		return
	ans = n%4
	dp = [6,8,4,2]
	print(dp[ans])
	return
			


main()
# t= int(input())
# while t:
# 	main()
# 	t-=1