import java.util.Scanner;

public class Usernames {

    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);

        System.out.print("Type your username: ");
        String username = reader.nextLine();

        System.out.print("Type your password: ");
        String password = reader.nextLine();



        if ((!(username.equals("alex"))) || (!(username.equals("emily")))) {
            System.out.println("Your username or password was invalid!");


        } if (!(username.equals("alex"))) {

        } else if (!(password.equals("mightyducks"))) {
            System.out.println("Your username or password was invalid!");
        } else {
            System.out.println("You are now logged into the system!");


        } if (!(username.equals("emily"))) {

        } else if (!(password.equals("cat"))) {
            System.out.println("Your username or password was invalid!");
        } else {
            System.out.println("You are now logged into the system!");
        }


    }