using System;

​

public class Program {

  public static void Main() {

    Console.WriteLine("Enter a character:");

    //  Vowels in English:  A, E, I, O, U, And Y

    string month = Console.ReadLine();

    switch (month) {

    case "a":

    case "A":

    case "e":

    case "E":

    case "i":

    case "I":

    case "o":

    case "O":

    case "u":

    case "U":

    case "y":

    case "Y":

      Console.WriteLine("You entered a vowel");

      break;

    default:

      Console.WriteLine("You enter a consonants");

      break;

    }

  }

}