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.Arrays;
import java.util.HashSet;
import java.util.Scanner;

public class tmp {
	public static void main(String[] Args) {
		Scanner sc = new Scanner(System.in);
		int nn = sc.nextInt();
		int n = nn % 4;
		System.out.println(nn == 0 ? 1 : (n == 0) ? 6 : (n == 1) ? 8 : (n == 2) ? 4 : 2);
	}
}