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.*;

public class Arpa_and_Merhdad{
  public static void main(String[] args){
    Scanner in = new Scanner(System.in);
    long n = in.nextLong();
    if( n % 4 == 0 ){
      System.out.println(6);
    }
    else if( n % 4 == 1 ){
      System.out.println(8);
    }
    else if( n % 4 == 2 ){
      System.out.println(4);
    }
    else{
      System.out.println(2);
    }
  }
}