num = int(input())

result =0

if num%6== 0:
	result = 4
elif num%6== 1:
	result = 2
elif num%6== 2:
	result = 8
elif num%6== 3:
	result = 5
elif num%6== 4:
	result = 7
elif num%6== 5:
	result = 1


print(result)