using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{   

    public static void Main()

    {

        string strLettersList = "A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";

        // Write some code to iterate through a List<string> which is populated with each letter from the strLettersList string.

        // Output to the console (use Console.WriteLine("") to display text) each position in the alphabet and the index of the list of each Vowel only. 

        // There is not a C# function to only get vowels, you will have to write something to decide if a vowel or not.

        //

        // ie:  

        // A is at index 0 of the list, and position 1 in the alphabet

        // E is at index 4 of the list, and position 5 in the alphabet

        // etc.

        // 

    }

}