using System;

public class Program

{

    public static void Main()

    {

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

        double years=Convert.ToInt32(Console.ReadLine());

​

        for(int i=0;i<years;i++)

        {

            deposit=deposit+((4*deposit)/100);

        }

        Console.WriteLine(deposit);

    }

}