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 A742 {

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