using System;

public class Program

{

    public static void Main()

    { 

        //KIMBERLY ALVAREZ VILLELA 3C

        Console.WriteLine ("Escribe un dia de la semana");

            String dia = Console.ReadLine ();

            switch(dia.ToLower()){

            case "lunes":

            case "martes":

            case "miercoles":

            case "jueves":

            case "viernes":

                Console.WriteLine ("No es fin de semana");

                break;

            case "sabado":

            case "domingo":

                Console.WriteLine ("Es fin de semana");

                break;

                Console.WriteLine ("Ese dia no es correcto");

                break;

            }

    }

}