using System;

​

namespace Conditional

{

    public class SwitchCase

    {

        public static void Main(string[] args)

        {

            char ch;

            Console.WriteLine("Enter an alphabet");

            ch = Convert.ToChar(Console.ReadLine());

            if(ch.ToString().ToLower() == "a")

            {

                Console.WriteLine("Vowel");

            }

            else if(ch.ToString().ToLower() == "e")

            {

                Console.WriteLine("Vowel");

            }

            else if(ch.ToString().ToLower() == "i")

            {

                Console.WriteLine("Vowel");

            }

            else if(ch.ToString().ToLower() == "o")

            {

                Console.WriteLine("Vowel");

            }

            else if(ch.ToString().ToLower() == "u")

            {

                Console.WriteLine("Vowel");

            }

            else 

            {

                Console.WriteLine("Not a vowel");

            }

        }

    }

}