Account Balance

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        double moneyInBank = 0;
        String input = scan.nextLine();
        while (!input.equals("NoMoreMoney")) {
            double money = Double.parseDouble(input);
            if (money < 0) {
                System.out.println("Invalid operation!");
                break;
            }

            moneyInBank += money;
            System.out.printf("Increase: %.2f%n", money);
            input = scan.nextLine();
        }

        System.out.printf("Total: %.2f", moneyInBank);
    }
}