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.io.*;
import java.lang.*;
import java.util.*;

public class file1 {
    static int power(int P) 
    { 
        if (P == 0) 
            return 1; 
        else
            return 1378 * power(P - 1); 
    } 
    
    public static void main(String[] s){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        System.out.println((power(n))%10); 
    }
}
