using System;

public class Program

{

    public static void Main()

    {

        // Sarah Muñoz

        string name;

        int num;

        Console.WriteLine("Hello! What's your name?");

        name = Console.ReadLine();

        switch (name)

        {

            case "Sarah":

            case "SARAH":

            case "sarah":

            Console.WriteLine("Hey! That's my name too!");

            break;

            default:

            Console.WriteLine("Welcome!");

            break;

        }   

        Console.WriteLine("Now, give me a number from 1-20 and I'll tell you if it's even or odd");

        num = int.Parse(Console.ReadLine());

        switch (num)

        {

            case 1:

            case 3:

            case 5:

            case 7:

            case 9:

            case 11:

            case 13:

            case 15:

            case 17:

            case 19:

            Console.WriteLine("Your number is odd.");

            break;

            case 2:

            case 4:

            case 6:

            case 8:

            case 10:

            case 12:

            case 14:

            case 16:

            case 18:

            case 20:

            Console.WriteLine("Your number is even.");

            break;

            default:

            Console.WriteLine("Your number out of range.");

            break;

        }

    }

}