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