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.util.*;

public class Solution {
    public static void main(String args[]) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        long n = Long.parseLong(br.readLine().trim());
        if (n == 0) {
            System.out.println("1");
            return;
        }
        if (Math.floor((double) (n - 1) / 4) == Math.ceil((double) (n - 1) / 4)) {
            System.out.println("8");
        }
        if (Math.floor((double) (n - 2) / 4) == Math.ceil((double) (n - 2) / 4)) {
            System.out.println("4");
        }
        if (Math.floor((double) (n - 3) / 4) == Math.ceil((double) (n - 3) / 4)) {
            System.out.println("2");
        }
        if (Math.floor((double) (n - 4) / 4) == Math.ceil((double) (n - 4) / 4)) {
            System.out.println("6");
        }
    }
}