//####################################################
//#       Patrick Freed's Amazing Time Machine       #
//#                   PF ATM                         #
//#                    2011                          #
//####################################################
import java.util.Scanner;
public class Time {
	public static void main(String args[]){
		Scanner input = new Scanner(System.in);
		System.out.println("What is the current hour?");
			int originalhour = input.nextInt();
		System.out.println("What is the current minute?");
			int originalminute = input.nextInt();
		System.out.println("AM or PM?");
				String originalampm = input.next();
		System.out.println("The current time is "+ originalhour + ":" + originalminute+ " " + originalampm+ ". Correct?");
			String answer = input.next();
				if (answer.compareToIgnoreCase("yes")== 1){
					main(null);
			if (originalampm.compareToIgnoreCase("PM")==0){
						originalhour+=12;}
				}
			int counter = 1;
			while (counter == 1){
			System.out.println("What is the hour of the next time you want to enter?");
					int newhour = input.nextInt();
					int copyofnewhour = newhour;
			System.out.println("What is the minute count of the next time you want to enter?");
					int newminute = input.nextInt();
					int copyofnewminute = newminute;
			System.out.println("AM or PM?");
					String newampm = input.next();
			System.out.println("The time you just entered is "+newhour+":"+newminute+" "+newampm+". Correct?");
					String answer2 = input.next();
						if (answer2.compareToIgnoreCase("no")== 0){
							counter++;}//if
						if (newampm.compareToIgnoreCase("PM")== 0 ){
							newhour += 12;}

	elapsedTime(originalhour, originalminute, originalampm, newhour, newminute, newampm, copyofnewhour, copyofnewminute);
			}//while

	}//main
	public static void elapsedTime(int oh, int om, String oampm, int nh, int nm, String nampm, int newhour, int newminute){
		if (nh<oh && nampm.compareToIgnoreCase("am")== 0 && oampm.compareToIgnoreCase("pm")== 0){
			nh+=12;}
		int finalhour = nh-=oh;
		int finalminute = nm-=om;
			if (finalminute < 0){
				finalhour-=1;
				finalminute = Math.abs(finalminute);
				finalminute = 60-finalminute;}
			if (finalhour > 12){
				finalhour-=12;}
			if (finalhour < 0){
				finalhour = Math.abs(finalhour);}
		System.out.println("The time between "+oh + ":" + om+ " " + oampm+" and "+newhour+":"+newminute+" "+nampm+ " is " + finalhour+" hour(s) and "+finalminute+ " minute(s).");
	main(null);
	}//elapsedTime


}//Time