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.*;

    public class Random2 {

        public static void main(String[] args) {

            Scanner sc=new Scanner(System.in);
            long n=sc.nextLong();
            if(n==0){
                System.out.println(1);
            }
            else{
                    n=n%4;
                    if(n==0){
                        System.out.println(6);
                    }
                    else if(n==1){
                        System.out.println(8);
                    }
                    else if(n==2)
                        System.out.println(4);
                    else if(n==3)
                        System.out.println(2);
                    else if(n==4)
                        System.out.println(6);
            }

        }
    }