using System.Numerics;

public class Program
{
    public static void Main()
    {
        BigInteger num = BigInteger.Parse(Console.ReadLine() ?? string.Empty);
        //string[] str = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string str = Console.ReadLine() ?? string.Empty;


        int a = (int)num % 6;

        if(a ==0)
        {
            Console.WriteLine(4);
        }
        if(a ==1)
        {
            Console.WriteLine(2);
        }
        if(a ==2)
        {
            Console.WriteLine(8);
        }
        if(a ==3)
        {
            Console.WriteLine(5);
        }
        if(a ==4)
        {
            Console.WriteLine(7);
        }
        if(a ==5)
        {
            Console.WriteLine(1);
        }


    }
}