using System;

public class Program

{

    public static void Main()

    {

    //Luis Eduardo Arellano

        Console.WriteLine("Hello this app is for tell you if a letter is a vowel or a consonant or not a letter");

        Console.WriteLine("Give me a letter");

        string let;

        let = Console.ReadLine();

        switch (let)

        {

            case "A":

            case "e":

            case "E":

            case "i":

            case "I":

            case "o":

            case "O":

            case "u":

            case "U":

                Console.WriteLine("That letter is a vowel");

                break;

        }

​

        switch (let)

        {

            case "b":

            case "B":

            case "c":

            case "C":

            case "d":

            case "D":

            case "f":

            case "F":

            case "g":

            case "G":

            case "h":

            case "H":

            case "j":

            case "J":

            case "k":

            case "K":

            case "l":

            case "L":

            case "m":

            case "M":

            case "n":

            case "N":

            case "ñ":

            case "Ñ":

            case "p":

            case "P":

            case "q":

            case "Q":

            case "r":

            case "R":

            case "s":

            case "S":

            case "t":

            case "T":

            case "v":

            case "V":

            case "w":

            case "W":

            case "x":

            case "X":

            case "y":

            case "Y":

            case "z":

            case "Z":

                Console.WriteLine("That letter is a consonant");

                break;

            default:

                Console.WriteLine("This isn't a letter,please try again");

                break;

        }

    }

}