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


public class A {
    public static void main(String[] args) {
    	java.util.Scanner input = new java.util.Scanner(System.in);
        int n = input.nextInt();
        if (n%4==0) {
        	System.out.println("6");}
        else if (n%4 ==1) {
        	System.out.println("8");}
        else if (n%4==2) {
        	System.out.println("4");}
        else {
        	System.out.println("2");}   
    }
}
