#property copyright "Copyright © 2023, ChatGPT"
#property link      "https://www.chatgpt.com"
#property version   "1.00"
#property strict
#property show_inputs

extern int MagicNumber = 999; // Magic Number

void CloseOrdersWithMagicNumber()
{
    int totalOrders = OrdersTotal();
    for (int i = totalOrders - 1; i >= 0; i--)
    {
        if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES))
        {
            if (OrderMagicNumber() == MagicNumber)
            {
                if (OrderType() == OP_BUY || OrderType() == OP_SELL)
                {
                    bool result = OrderClose(OrderTicket(), OrderLots(), Bid, 5, clrRed);
                    if (result)
                    {
                        Print("Order closed successfully: ", OrderTicket());
                    }
                    else
                    {
                        Print("Failed to close order: ", OrderTicket(), " Error: ", GetLastError());
                    }
                }
            }
        }
    }
}

void OnStart()
{
    CloseOrdersWithMagicNumber();
}