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 prn(n):
	print (n)

n =int( input() )
if n==0 :
	print (1);
else :
	m=n%4;
	if m==1:
		prn(8)
	elif m==2:
		prn(4)
	elif m==3:
		prn(2)
	else :
		prn(6)
		
