using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}

​

public class GamAccount

{

    public string Id;

    public List<LineItem> Handle(Order order) { return []; } 

}

​

public class Gam

{

    private List<GamAccount> Accounts;

​

    public Gam(List<GamAccount> accounts)

    {

        Accounts = accounts;

    }

    public List<LineItem> Handle(Order order)

    {

        List<LineItem> created = [];  

        foreach (var account in Accounts)

        {

            created.AddRange(account.Handle(order));

        }

        return created;

    }

}

​

public class LineItem { }

​

public class Order{ }