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;

public class a {
	//8426
	public static void main(String[] args) throws IOException{
		BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
		long n = Integer.valueOf(bf.readLine());
		if (n==0){
			System.out.println(1);
		} else {
			n%=4;
			if (n==1){
				System.out.println(8);
			} else if (n==2){
				System.out.println(4);
			} else if (n==3){
				System.out.println(2);
			} else if (n==0){
				System.out.println(6);
			}
		}
	}
}
