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