n = input()
ans = ((0, 4, 2), (3, 1, 5))[int(n[-1]) & 1][sum(int(i) for i in n) % 3]
k = int(input())
if k % 2 == 0:
    if ans == 2:
        ans = 4
    elif ans == 5:
        ans = 1
print("428571"[ans])