package test;

import java.util.Scanner;

public class test {
	public static void main(String[] args) {
		short b[] = {4,2,8,5,7,1};
		
		Scanner s = new Scanner(System.in);
		
		String string = s.nextLine();
		
		System.out.println(b[Integer.parseInt(string)%6]);
		
		s.close();
		
	}
}