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 sys import stdin, stdout

# # import re
# # import string

# # import math
# # import statistics
# # import itertools
# import collections
# # import cmath
# # import calendar
# # import datetime

# import operator

# #----------Profiling----------
# # import cProfile
# # import pstats

n = int(input())
k = n % 4
if n == 0:
    print(1)
    
elif k == 0:
    print(6)

elif k == 1:
    print(8)

elif k == 2:
    print(4)

else:
    print(2)
# 1 > 8
# 2 > 4
# 3 > 2
# 4 > 6
# 5 > 8
# 6 > 4
# 7 > 2
# 8 > 6

