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.math.BigInteger;
import java.util.*;
public class Main {
	public static void main(String[] args) {

		Scanner in=new Scanner (System.in);
		long n=in.nextLong();
		if (n==0) {
			System.out.println(1);
		}
		else {
			long a=(n%4);
			if(a==1) {
				System.out.println(8);
			}
			if(a==2) {
				System.out.println(4);
			}
			if(a==3) {
				System.out.println(2);
			}
			if(a==0) {
				System.out.println(6);
			}
		}
		
	}
}
		 				   	 	   	  		 	 		 				