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

import sys
n = int(sys.stdin.readline())
a = 1378
#for i in range(1,50):
#	print str(pow(a,i))[-1:]

#The exponential repeats very 4 exponents	giving (8,4,2,6)
endVals = [ 8, 4, 2, 6]

if( n != 0 ):
	print(endVals[n%4-1])
else :
	print(1)
		 	 	 	 				   	 	 	   		  			