using System;

public class Program

{

    public static void Main()

    {

        int a=int.Parse(Console.ReadLine());

        Console.WriteLine(alleven(a));

    }

    public static bool alleven(int n)

    {

     if((n%10)%2!=0) 

         return false;

        else if(n>0)

        return alleven(n/10);

        else return true;

    }

}