using System;

​

/*

In this program, the user will be asked to enter a letter and you will tell them if it is a vowel or not.

​

Everyone must do this program

*/

​

public class Program

{

public static void Main()

{

​

string vowel;

​

            Console.WriteLine("Hello. This is a vowel checker. Please input a letter."); // Asks you to input a random letter.

            vowel = Console.ReadLine();

​

            switch(vowel.ToLower())

            {

                case "a":

                    Console.WriteLine("This is a vowel."); // For if you input a, it will tell you it is a vowel.

                    break;

   case "e":

                     Console.WriteLine("This is a vowel."); // For if you input e, it will tell you it is a vowel.

                    break;

   case "i":

                     Console.WriteLine("This is a vowel."); // For if you input i, it will tell you it is a vowel.

                    break;

   case "o":

                     Console.WriteLine("This is a vowel."); // For you if you input o, it will tell you it is a vowel.

                    break;

   case "u":

                    Console.WriteLine("This is a vowel."); // For you if you input u, it will tell you it is a vowel.

                    break;

   case "y":

                     Console.WriteLine("This is a vowel."); // For if you input y, it will tell you it is a vowel.

break;

   default:

                    Console.WriteLine("This is not a vowel."); // If you put a letter that is not a vowel, the console will say this.

                    break;

}

​

Console.WriteLine("Bye! Come back again to check if a letter is a vowel or not!"); // Gives you a final farewell and asks you to come back.

}

}