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.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigInteger;

/**
 * Created by Lexa on 06.12.2016.
 */
public class Olimp1 {
    public static void main(String[] args) throws IOException {
        BufferedReader red = new BufferedReader(new InputStreamReader(System.in));
        int x = Integer.parseInt(red.readLine());
        if (x == 0) {
            System.out.println(1);
        } else {
            int res = 0;
            if (x%2==1) res =1;
            BigInteger d = BigInteger.valueOf(1378);
            for (int i = 1; i < x; i++) {
                    d = d.multiply(d);
                i = i*2;
            }
            if (res ==1) d = d.multiply(BigInteger.valueOf(1378));
            String v = d.toString();
            System.out.println(v.substring(v.length()-1));
        }
    }
}