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 Main {

    public static void main(String[] args) {
        Scanner s= new Scanner (System.in);
        long n= s.nextLong();
        if(n==0){
            System.out.println(1); return;
        }
        n%=4;
        if(n==0){
            System.out.println(6); return;
        }
        if(n==1){
            System.out.println(8); return;
        }
        if(n==2){
            System.out.println(4); return;
        }
        if(n==3){
            System.out.println(2);
        }
    }

}