What is wrong with the three lines of code? this is java on BlueJ

Constructor for objects of class 03A3 public Q3A3 (int nl, int n2, int n3) //declaring variables int weekday-n1;/umber of hours an employee has worked during the weekdays int overtime-n2;//the number of hours the employee has worked overtime during the weekdays int weekend-n3;// number of hours the employee has worked during the weekends //Calculating weekly salary int salary (weekday*18)+(overtime 15)+(weekend 20); / /Output information System.out.println("-- System.out.println(tNumber of regular hours worked on weekdays:ItitIt" +weekday ); System.out.print1n("(\tNumber of overtime hours worked on weekdays:ttt. + overtime +t).)i System.out.printin(tNumber of hours worked on weekends Ititltit" weekend"t") System.out.println("(tTotal Two Weeks Salary is:Itltitit" +salary t") System.out.println("(