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 pow(x, k):
	if (k == 0):
		return 1
	a = pow(x, int(k/2))
	a = a*a
	if (k%2 == 1):
		a = a*x
	a = a%10
	return int(a)

a = int(input().strip())
print(pow(1378,a))
 	  	 	 	    			 		 	 	  	  	 	