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

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys


n = int(raw_input())
if n == 0:
    print 1
    sys.exit(0)

digits = [8]

i = 2
digit = 8
while True:
    digit *= digits[0]
    digit %= 10
    if digit == digits[0]:
        break
    else:
        digits.append(digit)

n %= len(digits)
if n == 0:
    n = len(digits)
n -= 1
print digits[n]
