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 Alpha {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // StringBuilder sb = new StringBuilder();
        int n= in.nextInt();
        if(n==0)System.out.println("1");
        else{
            if(n%4==0)System.out.println("6");
            else if(n%4==1)System.out.println("8");
            else if (n%4==2)System.out.println("4");
            else System.out.println("2");
        }
    }
}
