/************************************************************
 *Program to calculate how long it will take a bank
 *balance to reach a certain value, assuming a certain penalty is
 *charged each week for a negative balance, and the user makes a
 *certain weekly deposit. User input consists of the current balance,
 *the desired balance, weekly deposit, and the weekly penalty for negative
 *balance.
 *
 *WARNING: This code has bugs in it!
 ***********************************************************/
import java.util.Scanner;

public class BalanceTrouble
{

    public static void main (String[] args)
    {
	Scanner keyboard = new Scanner(System.in);
        double desiredBalance;
        double currentBalance, initialBalance;
        double deposit;
        double penalty;
        int countWeeks;
        
        System.out.print("\nEnter your current balance: "); 
        initialBalance = keyboard.nextDouble();//Save for later output.
        currentBalance = initialBalance;       
        
        System.out.print("\nThe balance you would like to have in your"); 
        System.out.print(" account: ");
        desiredBalance = keyboard.nextDouble();
        
        System.out.print("\nThe weekly deposit you make: ");
        deposit = keyboard.nextDouble();
        
        System.out.print("\nWhat penalty does your bank charge ");
        System.out.print("for a negative balance? ");
        penalty = keyboard.nextDouble();
        
        countWeeks = 0;
		
	//Compute the number of weeks it takes to reach the
	//desired balance:
        while (currentBalance < desiredBalance)
        {
            if (currentBalance < 0)
              currentBalance = currentBalance - penalty;
            countWeeks++; 
        }//while
       
        System.out.println("\n\nStarting with an initial balance of $" +
                          initialBalance + ",");
        System.out.println("With a weekly deposit of $" + deposit);
        System.out.println("and a penalty of $" + penalty + " for a negative balance,");
        System.out.println("you will have a balance of $" + currentBalance);
        System.out.println("in " + countWeeks + " weeks.");
                
    }//main

}//BalanceTrouble