using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Assignment
{
    class Program
    {
        static void Main(string[] args)
        {
            //variable for the choice that the user will make on fuel type
            int choice, total, fuel1=fuel1-total = 100, fuel2 = 100, fuel3 = 100, total;


            do
            {
                //ask the user to select their required fuel
                Console.WriteLine("Please Pick The Number Of Your Fuel:");
                //choices that the user can choose between
                Console.WriteLine(" 1. Four Star Petrol");
                Console.WriteLine(" 2. Unleaded Petrol");
                Console.WriteLine(" 3. Diesel");
                choice = Convert.ToInt32(Console.ReadLine());

                if (choice == 1)
                {
                    Console.WriteLine("Four Star Petrol");
                    Console.WriteLine("How Much Fuel Do You Require?");
                    total = Convert.ToInt32(Console.ReadLine());

                    if (fuel1 - total < 0)
                    {
                        Console.WriteLine("Amount not avaliable");
                    }
                    else
                    {
                        Console.WriteLine("Please continue your transaction");
                        Console.WriteLine("You selected: " + total + " litres of fuel type Four Star Petrol");

                    }

                }
                if (choice == 2)
                {
                    Console.WriteLine("Unleaded Petrol");
                    Console.WriteLine("How Much Fuel Do You Require?");
                }

                if (choice == 3)
                {
                    Console.WriteLine("Diesel");
                    Console.WriteLine("How Much Fuel Do You Require?");
                }
                Console.ReadLine();
            }
            while ((choice < 3) && (choice > 0));

            Console.ReadLine();
        }

    }

}