using System;

public class Program

{

    public static void Main()

   {

      string[] names = { "ABCdef", "erbc" ,                    

                            "qwqBCdef", "popabc" ,  

                            "treew","nji" ,

                             "lkjui", "ocds" };

     foreach(string s in names)

     {

         string b = s.ToLower();

         if(b.StartsWith("a")||b.StartsWith("e")||b.StartsWith("i")||b.StartsWith("o")||b.StartsWith("u"))

         {

            Console.WriteLine(s);   

         }

         else

             continue;

     }

   }

}