using System;

public class Program

{

    public static void Main()

    {

        //variables

        int alquiler=0;

        int iva =20;

        int km;

        int tarifa=300000;

        //solucion

        Console.WriteLine("digita los kilometros recorridos");

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

        if (km <=300)

        {

            iva = tarifa*2/10;

            alquiler = tarifa + iva;

        }

        else

        if (km >=300 && km <=1000)

        {

           alquiler = tarifa +(km-300)*15000;

            iva = alquiler*2/10;

            alquiler = alquiler + iva;

        }

        else

            if (km >1000)

            {

                alquiler = tarifa +(km-300)*10000;

                iva  = alquiler*2/10;

                alquiler= alquiler+iva;

            }

        Console.WriteLine("su dinero a pagar {0}",alquiler);

    }

}