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.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
public class Arpas_hard_exam_and_Mehrdads_naive_cheat {
	public static void main(String[] args)throws Throwable {
		BufferedReader bf = new BufferedReader(new InputStreamReader (System.in));
		PrintWriter pw = new PrintWriter(System.out, true);
		int n=Integer.parseInt(bf.readLine());
		if(n==0)
		{
			pw.print("1");
			pw.close();
			return;
		}
		n-=((n/4)*4);
		if(n==1)
			pw.print("8");
		else if(n==2)
			pw.print("4");
		else if(n==3)
			pw.print("2");
		else if(n==4 || n==0)
			pw.print("6");
		pw.close();
	}
}
