using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        taxi[]t=new taxi[4];

        t[0]=new taxi("a","b",7);

        t[1]=new taxi("a","b",8);

        t[2]=new taxi("a","b",9);

        taxistation t1=new taxistation("first st",t);

        t1.addtaxi("k","m",6);

        t1.addtaxi("k","m",3);

        Console.WriteLine(t1);

    }

}

public class taxistation

{

    private string name;

    private taxi[]taxies;

    public taxistation(string name,taxi[]taxies)

    {

        this.name=name;

        this.taxies=taxies;

    }

    public bool addtaxi(string name,string id,int num)

    {

        for(int i=0;i<taxies.Length;i++)

        {

            if(taxies[i]==null)

            {

                taxies[i]=new taxi(name,id,num);

                return true;

            }

        }

        return false;

    }

    public override string ToString()

    {

        string s="name={0} \n t:";

        s=string.Format(s,name);

        for(int i=0;i<taxies.Length;i++)

        {

            s+=taxies[i];

        }

        return s;

    }

}

public class taxi

{

    private string taxiid, driver;

    private int numpass;

    private bool avaliable;

    public taxi(string taxiid, string driver)

    {

        this.taxiid = taxiid;

        this.driver = driver;

        this.numpass = 4;

    }

    public taxi(string taxiid, string driver, int numpass)

    {

        this.taxiid = taxiid;

        this.driver = driver;

        this.numpass = numpass;

    }

    public void taxibusy()

    {

        this.avaliable = false;

    }

    public void settaxiid(string taxiid)

    {

        this.taxiid = taxiid;

    }

    public void setdriver(string driver)

    {

        this.driver = driver;

    }

    public void setnumpass(int numpass)

    {

        this.numpass = numpass;

    }

    public void setavaliable(bool avaliable)

    {

        this.avaliable = avaliable;

    }

    public bool getavaliable()

    {

        return avaliable;

    }

    public string gettaxiid()

    {

        return taxiid;

    }

    public override string ToString()

    {

        return string.Format("{0} {1} {2}", taxiid, driver, numpass);

    }

}