using System;

public class Program

{

    public static void Main()

    {

        //Brian Alonso Camarena Vega//

        double pn=500.0;

        double dt,tp;

        Console.WriteLine("Menu de Opciones para desceunto ");

        Console.WriteLine("[1] Normal");

        Console.WriteLine("[2] Estudiante 40%");

        Console.WriteLine("[3] Maestro 25%");

        Console.WriteLine("[4] INSEN 50%");

        string op ;

        op= Console.ReadLine();

        switch (op)

        {

            case "1":

                tp=pn;

                Console.WriteLine("Total a pagar: "+tp);

                    break;

            case "2":

                    Console.WriteLine("Opcion: "+op);

                dt=pn*0.4;

                Console.WriteLine("El desceunto es de: "+dt);

                tp=pn-dt;

                Console.WriteLine("Total a pagar: "+tp);

                break;

            case "3":

                    Console.WriteLine("Opcion: "+op);

                dt=pn*0.25;

                Console.WriteLine("El desceunto es de: "+dt);

                tp=pn-dt;

                Console.WriteLine("Total a pagar: "+tp);

                break;

                case "4":

                    Console.WriteLine("Opcion: "+op);

                dt=pn*0.5;

                Console.WriteLine("El desceunto es de: "+dt);

                tp=pn-dt;

                Console.WriteLine("Total a pagar: "+tp);

                break;

            default: 

                Console.WriteLine("Opcion invalida");

                break;

        }

        Console.ReadLine();

    }

}