using System;

​

    public class MainClass

{

    public static void Main()

    {

        double a = Convert.ToDouble(Console.ReadLine());

        double b = Convert.ToDouble(Console.ReadLine());

        if(a == 2 * b)

        {

            a = 0;

            b = 1;

        }

        else

        {

        a = b = a *b;

        }

            Console.WriteLine(a); 

            Console.WriteLine(b); 

}

}