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.*;
import java.io.*;
import java.math.BigInteger;

public class Main {
	static Scanner scan = new Scanner(System.in);
	static PrintStream out = new PrintStream(System.out);
    static int n;
    
	public static void main (String[] args) {
        n = scan.nextInt();
		if (n == 0) {out.println(1); return;}
		
        if (n % 4 == 0) {out.println(6);}
        else if (n % 4 == 1) {out.println(8);}
        else if (n % 4 == 2) {out.println(4);}
        else if (n% 4 == 3) {out.println(2);}
	}		
}

