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.*;

public class ArpaHardExam_742A {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int r = n%4;
		if(n==0) {
			System.out.println(1);
		}
		else if(r==1) {
			System.out.println(8);
		}
		else if(r==2) {
			System.out.println(4);
		}
		else if(r==3) {
			System.out.println(2);
		}
		else {
			System.out.println(6);
		}

	}

}