12
 1378
 51202278
 989898989
 4
 7
 9
 6
 8
 12193721
 999999995
 999999999
 11
 999999996
 999999998
 3
 14
 15
 10
 999999994
 1000
 13781378
 5
 999999997
 1000000000
 13
 16
 0

6
 4
 4
 8
 6
 2
 8
 4
 6
 8
 2
 2
 2
 6
 4
 2
 4
 2
 4
 4
 6
 4
 8
 8
 6
 8
 6
 1

import java.util.Scanner;
public class arpas742A{
    public static void main(String args[])
    {
        Scanner input=new Scanner(System.in);
        int i,n,ans,k;
        n=input.nextInt();
        ///as 8^n s right most digit can be defined given below,,

        if(n%4==0) ans=6;                   ///8^n then if n%4==0 then right most bit is always 6
        else if(n%4==1) ans=8;              ///8^n then if n%4==1 then right most bit is always 8
        else if(n%4==2) ans=4;              ///8^n then if n%4==2 then right most bit is always 4
        else ans =2;                        ///8^n then if n%4==3 then right most bit is always 2
        System.out.println(ans);
    }

}
