using System;

using System.Collections.Generic;

public class Program

{

    public class Food

    {

        public string Name;

        public int    Quantity;

    }

    public static List<Food> shoppingList = new List<Food>();

    public static void Main()

    {

        string selection = string.Empty;

        while(selection != "3")

        {

            Console.WriteLine("1: Enter a food");

            Console.WriteLine("2: Show a list of entered food ");

            Console.WriteLine("3: Exit");

            selection = Console.ReadLine();

            if(selection == "1")

            {

                GetFood();

            }

            else if(selection == "2")

            {

                ShowShoppingList();

            }

            else if(selection != "3")

            {

                Console.WriteLine("You've been a bad boy. Please make a valid selection.");

            }

        }

        Console.WriteLine("Thank you for using the 'F00D Sh0pping List' program. have a nice day ;)");

​

    }   

    public static void GetFood()

    {

        Console.WriteLine("   Enter a food name:");

        string name = Console.ReadLine();

        Console.WriteLine("   Enter the quantity of '{0}':" ,name);

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

        Food randomFood = new Food();

        randomFood.Name = name; 

        randomFood.Quantity = quantity;

        shoppingList.Add(randomFood);

    }

    public static void ShowShoppingList()

    {

        Console.WriteLine(" ___________________________");

        Console.WriteLine(" ###### Shopping List ######");

        Console.WriteLine(" ___________________________");

        foreach(Food currentFood in shoppingList)

        {

            Console.WriteLine(" Name: {0}     Quantity: {1}",currentFood.Name, currentFood.Quantity);

        }

    }

}