import java.util.Scanner;
public class SavingsAccountBalance {
  public static void main(String[] arg) {

    //Ask the user for starting balance, monthly interest rate, and # of months since the account was created.
    System.out.println("This program will calculate the balance of your savings account. Please enter your starting"
            + " balance: ");
    Scanner sc = new Scanner(System.in);
    double startingBalance = sc.nextDouble();
    System.out.println("Please enter your monthly interest rate (as a whole number): ");
    double interestRate = sc.nextDouble();
    System.out.println("Please enter the number of months since the account has been established: ");
    int monthsPassed = sc.nextInt();
    //Declare the necessary variables for the for loop.
    double monthlyDeposit, monthlyWithdrawal, monthlyInterest;
    double accountBalance = startingBalance;
    double totalInterestEarned = 0, totalMoneyWithdrawn = 0, totalMoneyDeposited  = 0;

    //Begin the for loop: ask for amount deposited, amount withdrawn, and calculate the interest.
    for (int i = monthsPassed; i > 0; i--) {
        //Add the amount deposited to the account balance.
        System.out.println("Please enter the amount deposited this month: ");
        monthlyDeposit = sc.nextDouble();
        accountBalance += monthlyDeposit;

        //Subtract the amount withdrawn from the account balance.
        System.out.println("Please enter the amount withdrawn this month: ");
        monthlyWithdrawal = sc.nextDouble();
        accountBalance -= monthlyWithdrawal;

        //Calculate monthly interest by turning it into a decimal and multiplying it by the account balance.
        monthlyInterest = (interestRate / 100) * accountBalance;
        accountBalance += monthlyInterest;
        System.out.println("Your calculated monthly interest is $" + monthlyInterest + ", and your account" +
                " balance thus far is $" + accountBalance);

        totalInterestEarned += monthlyInterest;
        totalMoneyWithdrawn += monthlyWithdrawal;
        totalMoneyDeposited += monthlyDeposit;

    }

    //Display the total amount of deposits made, total amount of withdrawals made, and total interest earned.
    System.out.println("Your total money withdrawn amounted to $" + totalMoneyWithdrawn +
            "\nYour total money deposited amounted to $" + totalMoneyDeposited +
            "\nYour total amount of interest earned is: $" + totalInterestEarned);
  }
}