using System;

public class Program

{

    public static void Main()

    {

        char ch = 'X';

        if (ch == 'A' || ch == 'a') {

            Console.WriteLine("Vowel [ei]");

        }

        else if (ch == 'E' || ch == 'e') {

            Console.WriteLine("Vowel [i:]");

        }

        else if (ch == 'I' || ch == 'i')

        { 

            Console.WriteLine("Vowel [ai]");

        }

        else if (ch == 'O' || ch == 'o') {

            Console.WriteLine("Vowel [ou]");

        }

        else if (ch == 'U' || ch == 'u')

        {

            Console.WriteLine("Vowel [ju:]");

        }

        else {

            Console.WriteLine("Consonant");

        }

    }

}