N = int(input())
K = input()
mod6 = N%6

if mod6 == 2:
    if int(K[-1])%2==0:
        mod6 = 4
elif mod6 == 5:
    if int(K[-1])%2==0:
        mod6 = 1

S = '285714'
print(S[(mod6-1)%6])