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 exponent(x,n,m):
	if(n==0):
		return 1
	elif(n%2==0):
		return exponent((x*x)%m,n/2,m)
	elif(n%2!=0):
		return x*exponent((x*x)%m,(n-1)/2,m)%m
n=int(input())
c=exponent(8,n,100)
print(c%10)
