N = int(input())
if N % 6 == 0:
    print(4)
elif N % 6 == 1:
    print(2)
elif N % 6 == 2:
    print(8)
elif N % 6 == 3:
    print(5)
elif N % 6 == 4:
    print(7)
else:
    print(1)