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
# sys.stdin=open("input.in","r")
n=int(input())
# if n%2==0:
# 	print(str((8**2)**(n//2))[-1])
# else:
# 	print(str(8*(8**2)**((n-1)//2))[-1])
if n>=4:
	n=n%4+4
c=8**n
print(c%10)