/**
 * Reads the start time for a call based upon a 24- hour clock and the length of the call in minutes.
 *
 * Kevin Waddles
 * 8/28/14
 */
import java.util.*;

public class Telephone
{
    public static void main(String[] args)
     {
        Scanner console = new Scanner(System.in);

        int begin, end, duration, time, minutes, hours;
        double cost, extraCost;

        System.out.print("Enter the time the call begins in 24 hour format: ");
        begin = console.nextInt();
        System.out.print("Enter the time the call ends in 24 hour format: ");
        end = console.nextInt();

        if (begin < end)
            {
              duration = end - begin;
              hours = duration / 100;
              minutes = 100 - (duration % 100);
              time = (hours * 60) + minutes;
             }
             else
             {
              duration = (end + 2400) - begin;
              hours = duration / 100;
              minutes = 100 - (duration % 100);
              time = (hours * 60) + minutes;
              }

        System.out.println("\nCall summary:");
        System.out.print("Started at " + hours + " for " + minutes + " minutes.");


         console.close();
        }
}