using System;

​

public class Program

{

    public static void Main()

    {

        while (true)

        {

            Console.WriteLine("Welcome to the quiz! you...");

            var entry = Console.ReadLine();

            if (entry.ToLower() == "No")

            {

                break;

            }

        }

​

        Console.WriteLine("Thank you for playing");

    }

}