using System;

public class Program

{

    public static void Main()

    {

// declare strings listOfDestinations and userResponse, and set them both equal to the empty string.

        string listOfDestinations=" ";

        string userResponse=" ";

// declare the doubles milesPerGallon, totalMiles, and gallons. Set milesPerGallon equal to 1, and the rest equal to 0.

        double milesPerGallon = 1;

        double totalMiles = 0;

        double gallons = 0;

// declare an integer called addAnotherDestination and set it equal to 1 (on).

        int addAnotherDestination = 1;

// Greet the user. Let them know we are going to calculate how many gallons of gas they need for their next trip.

        Console.WriteLine("Welcome, we are going to calculate how many gallons of gas you need for your next trip.");

// ask and save their miles per gallon to the appropriate variable.

        Console.WriteLine("What is your MPG for your car?");

        milesPerGallon = Convert.ToDouble(Console.ReadLine());

// Ask for and save the starting point to the variable listOfDestinations. 

        Console.WriteLine("What is the starting point named?");

        listOfDestinations = Console.ReadLine();

// While addAnotherDestination is on

        while (addAnotherDestination == 1)

        {

// Ask for the next destination and save it to listOfDestinations. (be careful on this step, reference A022).

            Console.WriteLine("What is the next destination?");

            listOfDestinations = listOfDestinations + ", and " + Console.ReadLine();

// Ask for the distance between the two points and add it onto totalMiles (be sure to keep the previous value when adding).

            Console.WriteLine("What is the distance between the two points?");

            totalMiles = Convert.ToDouble(Console.ReadLine());

// Ask the user if they would like to add another destination.

            Console.WriteLine("Would you like to add another destination? Type N for No and Y for Yes.");

            userResponse = Console.ReadLine();

        }

//If they type N, set addAnotherDestination off

        if (userResponse=="N")

        {

            addAnotherDestination = 0;

        }

// Give the user two outputs in two different lines:

// We calculated how much gas you need to get from Winslow HS to Dunkin, and then to McDonalds, and then to the gas station.

        Console.WriteLine("We calculated how much gas you need to get from " + listOfDestinations);

​

// You need XX gallons of gas.

        Console.WriteLine("you need " + gallons = (totalMiles + totalMiles)/milesPerGallon);

​

    }

}