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.*;
import java.lang.*;
import java.math.*;
public class transform {
static Scanner in=new Scanner(System.in);
	public static void main(String[] args) {
	    int n=in.nextInt()-1,res;
	    if(n==-1)
	    	System.out.println(1);
	    else{
	    switch(n%4){
	    case 0:
	    	res=8;
	    	break;
	    case 1:
	    	res=4;
	    	break;
	    case 2:
	    	res=2;
	    	break;
	    default:
	    	res=6;
	    break;
	    }
	    System.out.println(res);
	    }
	}
}
