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.math.BigInteger;
import java.util.ArrayList;
import java.util.Formatter;
import java.util.Scanner;

public final class Dummy{
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        if(n==0){
            System.out.println("1");
        }else{
            n=n%4;
            if(n==0) n=4;
            long base=1378;
            for(int i=2;i<=n;i++){
                base*=1378;
                base=base%10;
            }
            System.out.println(base%10);
        }
    }
}
