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.math.BigInteger;
import java.util.*;

public class R383A {
	public static void main(String[] args) throws Exception {
		BufferedReader f = new BufferedReader(new InputStreamReader(System.in));
		Scanner s = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		
//		BigInteger pow = BigInteger.ONE;
//		for(int i = 0; i < 20; i++) {
//			System.out.println(pow);
//			pow = pow.multiply(BigInteger.valueOf(1378));
//		}
		int n = s.nextInt();
		if(n == 0) {
			System.out.println(1);
		} else {
			if(n%4 == 1) {
				System.out.println(8);
			} else if(n%4 == 2) {
				System.out.println(4);
			} else if(n%4 == 3) {
				System.out.println(2);
			} else {
				System.out.println(6);
			}
		}
	}
}