using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        string input = Console.ReadLine();

        input = input.ToLower();

        input = input.Replace(" ", "");

        var listVowel = new List<string>();

        var listConsonant = new List<string>();

        string vowel = "";

        string consonant = "";

        //Console.Write(input);

        for (int x = 0; x < input.Length; x++)

        {

            if (input[x] == 'a' || input[x] == 'i' || input[x] == 'u' || input[x] == 'e' || input[x] == 'o')

            {

                vowel += input[x].ToString();

            }

            else

            {

                consonant += input[x].ToString();

            }

        }

​

        listVowel.Add(vowel);

        listConsonant.Add(consonant);

        Console.Write("Vowel Characters ");

        foreach (string vokal in listVowel)

        {

            System.Console.WriteLine(vokal);

        }

        Console.Write("Consonant Characters ");

        foreach (string konsonan in listConsonant)

        {

            System.Console.WriteLine(konsonan);

        }

    }

}