using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Is it a weekend or weekday?");

        string day = Console.ReadLine();

        Console.WriteLine("Enter the temp between 20 & 45");

        int temperature = Convert.ToInt32(Console.ReadLine());

        while ( temperature < 20 || temperature > 45)

        {

          Console.WriteLine("Enter the temp between 20 & 45");

          temperature = Convert.ToInt32(Console.ReadLine());

        }

        if ( temperature >= 20 && temperature<= 30)

        {

            if (day == "weekend")

            {

                Console.WriteLine("you will sell 200 ice creams");

​

            }

            else

            {

                Console.WriteLine("you will sell 100 ice creams");

            }

        }

        else if ( temperature >= 31 && temperature<= 38)

        {

            if (day == "weekend")

            {

                Console.WriteLine("you will sell 300 ice creams");

​

            }

                else

            {

                Console.WriteLine("you will sell 150 ice creams");

            }

        }

        else if ( temperature > 38 )

        {

            if (day == "weekend")

            {

                Console.WriteLine("you will sell 240 ice creams");

​

            }

                else

            {

                Console.WriteLine("you will sell 120 ice creams");

            }

        }

​

​

    }

}