While Loop Account Balance

import java.util.Scanner;

public class AccountBalance {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int counter = 1;
        double account = 0;
        String command = "";

        int transactions = Integer.parseInt(scanner.nextLine());

        while (counter <=transactions) {
            double money = Double.parseDouble(scanner.nextLine());
            if ( money <0) {
                System.out.println("Invalid operation!");
                break;
            }else {
                account += money;
                System.out.printf("Increase: %.2f%n",money);
            }
            counter++;
        }
        System.out.printf("Total: %.2f", account);



    }
}