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
import io
import os

def solve():
    last_digit = {
        0: 6,
        1: 8,
        2: 4,
        3: 2,
    }
    n = int(input().decode())
    if (n == 0):
        return 1
    else:
        return last_digit[n%4]
        
""" def main():
    sys.stdin = open("input.txt","r")
    sys.stdout = open("output.txt","w")
    ans = solve()
    sys.stdout.write(str(ans))
    sys.stdin.close()
    sys.stdout.close() """

def main():
    ans = solve()
    sys.stdout.write(str(ans))
    sys.stdin.close()
    sys.stdout.close()

if __debug__:
    input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline

main()