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

#!/usr/bin/python

import sys

n = sys.stdin.readline()

i = 1
b = 1
k = int(n)

m = k / 4

j = k - m*4


while(j > 0):
	i *= 1378
	i = i % 10
	j -= 1

while(m > 0):
	b *= 6
	b = b % 10
	m -= 1


print((b*i)%10)
	   	 	 	   				 	 	    		    	