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.lang.*;

public class A {
    public static void main(String[] args) {
        // getting the inputs
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        // printing the output
        new Solver().solve(n);
    }
}

class Solver {
    public void solve(int n) {  
        if(n == 0) System.out.println(1);
        else if((n-1)%4==0) System.out.println(8);
        else if((n-2)%4==0) System.out.println(4);
        else if((n-3)%4==0) System.out.println(2);
        else System.out.println(6);
    }
}