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.util.Scanner;

public class lol {

    
    public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    long n=sc.nextLong();
    int a=0;
    while(n%4!=0){
      a++;
      n++;
    }
    if(a==0){
        System.out.println('6');
    }else if(a==1){
        System.out.println('2');
    }else if(a==2){
        System.out.println('4');
    }else if(a==3){
        System.out.println('8');
    }
    }
    
}