using System;

public class Program

{

    public static void Main()

    {

        //A loop is a code structure that executes a sequence of instructions while a boolean expression is true.

        bool it_is_raining = true;

        while(it_is_raining) 

        {

            Console.WriteLine("Is it still raining?");

            string answer = Console.ReadLine();

            if(answer == "yes")

            {

                it_is_raining = true;

            }else

            {

                it_is_raining = false;

            }

        }

    }

}