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.Scanner;

public class Fun {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		long n = s.nextLong();
		if (n == 1) {
			System.out.println("8");

		} else {
			if (n % 2 == 0) {
				System.out.println("4");
				return;
			} else
				System.out.println("2");
		}
	}
}
