using System;

public class MyTime

{

}

public class Parking

{

    private string id;

    private MyTime inn;

    private MyTime outt;

    public int Total()

    {return this.outt.Diff(this.inn);}

}

public class Program

{

    public static void First(Parking[]cars)

    {

        int k=0;

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

        {

         if(cars[i].GetIn().Before(cars[k].GetIn()))

            {k=i;}

        }

        Console.WriteLine(cars[k].GetId());

    }

}

    public static int SumMoney(Parking[]cars)

    {

        int sum=0;

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

        {

            if(cars[i].Total()>120)

            {sum+=cars[i].Total()-120}

        }

        return sum;

    }

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}