import java.util.Scanner;
public class mooc20 {

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

        System.out.println("Anna tunnus: "); // give username
        String tunnus = "elina";
        //String tunnus = lukija.nextLine();  // reader
        System.out.println("Anna salasana: "); // give password
        String salasana = lukija.nextLine(); // reader

        boolean authenticated = false;
        if (tunnus.equals("aleksi") && salasana.equals("tappara"))
            authenticated = true;
        else if ( tunnus.equals("elina") && salasana.equals("kissa"))
            authenticated = true;


        System.out.println("Anna tunnus: " + tunnus); // give username
        System.out.println("Anna salasana: " + salasana); // give password

        if(authenticated)
            System.out.println("Olet kirjautunut järjestelmään"); // you have logged in to the system
        else
            System.out.println("Virheellinen tunnus tai salasana!"); // wrong username or password
    }
}