# -*- coding: utf-8 -*-
from sys import stdin

n = int(stdin.readline().rstrip())
k = int(stdin.readline().rstrip())
tei = n % 6

if tei == 0:
    print("4")
elif tei == 1:
    print("2")
elif tei == 2:
    if k % 2 == 1:
        print("8")
    else:
        print("7")
elif tei == 3:
    print("5")
elif tei == 4:
    print("7")
elif tei == 5:
    if k % 2 == 1:
        print("1")
    else:
        print("2")