import java.io.*;
/*
 * Created on 2004¦~1¤ë30¤é
 * 
 * This program prompts user for the three parameters loan amount, 
 * annual interest rate, and monthly payment; and prints a loan table.
 *
 */
 
import java.io.*;
import java.text.*;

/**
 * Class LoanTable prompts user for the three parameters loan amount, 
 * annual interest rate, and monthly payment; and prints a loan table.
 * 
 * @author dcywchan
 *  @version 1.0
 */

public class LoanTable {
	
	private static BufferedReader  stdIn =
		new  BufferedReader(new  InputStreamReader(System.in));
	private static PrintWriter  stdOut =
		new  PrintWriter(System.out, true);
	private static PrintWriter  stdErr =
		new  PrintWriter(System.err, true);
		
	/**
	 * Prompts for the three parameters and conveys this information in a nice table.
	 * 
	 * @param args  not used
	 * @throws IOException  if error occurs when reading from the keyboard.
	 */
	
	public static void main(String[] args) throws IOException {
		
		DecimalFormat decimalformat = new DecimalFormat("0.00");
		String template = "          ";
		int month;
		double startingBalance, payment, middleBalance, interest, endingBalance;		
		double loanAmount, annualInterestRate, monthlyPayment;
		
		stdErr.println("The loan amount is:");
		loanAmount = Double.parseDouble(stdIn.readLine());
		
		stdErr.println("The annual interest rate is:");
		annualInterestRate = Double.parseDouble(stdIn.readLine());
		
		stdErr.println("The monthly payment is:");
		monthlyPayment = Double.parseDouble(stdIn.readLine());
		
		stdOut.println("\t\tStarting\t\t\t\tMiddle\t\t\t\t\tEnding");
		stdOut.println("Month\tBalance\t\tPayment\t\tBalance\t\tInterest\tBalance");
		stdOut.println("---------------------------------------------------------------");
		
		month = 1;
		startingBalance = loanAmount;
		payment = monthlyPayment;
		middleBalance = loanAmount - payment;
		interest = middleBalance * annualInterestRate/12/100;
		endingBalance = middleBalance + interest;
		while (	endingBalance > 0){
			stdOut.println(month+" .\t"+
			             decimalformat.format( startingBalance,
						 		new StringBuffer(template.substring(0,template.length()-decimalformat.format(startingBalance).length())),
								new FieldPosition(NumberFormat.INTEGER_FIELD)) + "\t" +
						 decimalformat.format( payment,
							   	new StringBuffer(template.substring(0,template.length()-decimalformat.format(payment).length())),
					   			new FieldPosition(NumberFormat.INTEGER_FIELD)) +  "\t" +	
						decimalformat.format( middleBalance,
					   			new StringBuffer(template.substring(0,template.length()-decimalformat.format(middleBalance).length())),
					   			new FieldPosition(NumberFormat.INTEGER_FIELD)) +  "\t" +
			   			decimalformat.format( interest,
					   			new StringBuffer(template.substring(0,template.length()-decimalformat.format(interest).length())),
					   			new FieldPosition(NumberFormat.INTEGER_FIELD)) +  "\t" +
						decimalformat.format( endingBalance,
								new StringBuffer(template.substring(0,template.length()-decimalformat.format(endingBalance).length())),
								new FieldPosition(NumberFormat.INTEGER_FIELD)) 		 
			);
			
			month++;
			startingBalance = endingBalance;
			payment = (endingBalance > monthlyPayment?monthlyPayment:endingBalance);
			middleBalance =  startingBalance - payment;
			interest = middleBalance * annualInterestRate/12/100;
			endingBalance = middleBalance + interest;

		}
	}
}