using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("enter a day in a week 1-7");

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

        if (day > 7)

            Console.WriteLine("this day is not in the week");

        else if (day < 0)

            Console.WriteLine("this day is not in the week");

        {

            if ( day == 1 || day == 2 || day == 3 || day == 4 || day == 5 )

            Console.WriteLine("the stors in that day opens at 9:00 and closes at 20:00 ");

        else if (day == 6 )

            Console.WriteLine("the stors in that day opens at 8:00 and closes at 13:00 ");

        else if (day == 7)

            Console.WriteLine("the stors in that day is closed");

            else

                Console.WriteLine("this day is not in the week so the store doesnt work");

    }

}}