5.3ConditionalStatements_CheckForAPlayCard_v.1

using System;

class CheckForAPlayCard
{
    static void Main ()
    {
        Console.Write("Please, enter a character for a sign your play card, CARD: ");
        string card = Console.ReadLine();
        string answer;
        switch (card)
        {
            case "2":
            case "3":
            case "4":
            case "5":
            case "6":
            case "7":
            case "8":
            case "9":
            case "10":
            case "J":
            case "Q":
            case "K":
            case "A":
                answer = "Yes";
                break;
            default:
                answer = "No";
                break;
        }
        Console.WriteLine("That card is a valid Play Card: \"{0}\" !", answer);
        Console.ReadLine();
    }
}