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

from collections import deque
from collections import OrderedDict
import math
 
import sys
import os
import threading
import bisect

import operator
 
import heapq


from atexit import register
from io import BytesIO

#sys.stdin = BytesIO(os.read(0, os.fstat(0).st_size))
#sys.stdout = BytesIO()
#register(lambda: os.write(1, sys.stdout.getvalue()))


import io
#input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
#sys.stdin = open("F:\PY\\test.txt", "r")
input = lambda: sys.stdin.readline().rstrip("\r\n")
#input = sys.stdin.readline

n = int(input())
if n==0:
    print(1)
    sys.exit(0)
n = n%4
if n==1:
    print(8)
elif n==2:
    print(4)
elif n==3:
    print(2)
else:
    print(6)