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.InputStreamReader;
import java.io.PrintWriter;
import java.math.BigInteger;

public class A {

	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		PrintWriter out = new PrintWriter(System.out);
		int n = Integer.parseInt(br.readLine());
		if(n == 0){
			System.out.println(1);
			return;
		}
		n %= 4;
		if(n == 1) System.out.println(8);
		if(n == 2) System.out.println(4);
		if(n == 3) System.out.println(2);
		if(n == 0) System.out.println(6);
	}

}
/*
8
4
2
6
8
4
2
6
*/