[PAWNO] Dynamic system of lottery

#include <a_samp>

public OnPlayerCommandText(playerid, cmdtext[]) {
    if(strcmp(cmdtext, "/lotto", true) == 0)return ShowPlayerDialog(playerid,10,DIALOG_STYLE_MSGBOX,"Lotto","\
    Чтобы приобрести билет нажмите - Купить.\
    ","Купить","Выход");
    return 1;
}

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    switch(dialogid)
    {
        case 10:
        {
            if (response)
            {
                GivePlayerMoney(playerid,-1000);
new rand = random(9999), string[225];
                format(string,sizeof(string),"Ты выииграл %d$. Поздравляем!",rand);
                SendClientMessage(playerid,0x33AA33,string);
                return GivePlayerMoney(playerid,rand);
            }
        }
    }
    return 1;
}