n,k = map(int, [input(),input()])

nn = n % 6
kk = k % 6

x = nn ** kk

if x % 6 ==1:
    b = 2
elif x % 6 == 2:
    b = 8
elif x % 6 == 3:
    b = 5
elif x % 6 == 4:
    b = 7
elif x % 6 == 5:
    b = 1
else:
    b = 4

print(b)