import java.io.*;

class staff
{
         String code,name;
         void getStaff()
         {   
              try{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Code : ");
                  System.out.flush();
                  code=obj.readLine();

                  System.out.print("Enter Name : ");
                  System.out.flush();
                  name=obj.readLine();
                 }
            catch(Exception e)
                {    }
        }
    
    void displayStaff()
    {
           System.out.println("\nCODE :  "+code);
           System.out.println("NAME  :  "+name);
    }
}

class teacher extends staff
{
         String subject,publication;
          void getTeacher()
           {   
                 getStaff();   //calling getStafftry{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Subject : ");
                  System.out.flush();
                  subject=obj.readLine();

                  System.out.print("Enter Publication : ");
                  System.out.flush();
                  publication=obj.readLine();
                  }
            catch(Exception e)
                {    }
          }
    
        void displayTeacher()
        {
            displayStaff();   //calling displayStaff
           System.out.println("SUBJECT :  "+subject);
           System.out.println("PUBLICATION  :  "+publication);
        }
}

class typist extends staff
{
        String speed;
         void getTypist()
         {   
            getStaff();   //calling getStafftry{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Speed : ");
                  System.out.flush();
                  speed=obj.readLine();
                  }
            catch(Exception e)
                {    }
        }
    
    void displayTypist()
    {
            displayStaff();   //calling displayStaff
           System.out.println("SPEED :  "+speed);
    }
}

class officer extends staff
{
     String grade;
      void getOfficer()
         {   
              getStaff(); //calling getStaff()try{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Grade : ");
                  System.out.flush();
                  grade=obj.readLine();
                  }
            catch(Exception e)
                {    }
        }
    
    void displayOfficer()
    {
           displayStaff();   //calling displayStaff
           System.out.println("GRADE :  "+grade);
    }
}


class regular extends typist
{
}

class casual extends typist
{
      String wages;
       void getCasual()
         {   
              getTypist(); //calling getTypist()try{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Daily Wages : ");
                  System.out.flush();
                  wages=obj.readLine();
                  }
            catch(Exception e)
                { }
        }
    
    void displayCasual()
    {
           displayTypist(); //calling displayTypist
           System.out.println("WAGES :  "+wages);
    }
}

class Education
{
      publicstaticvoid main(String args[])
      {

           int choice=1;
           String str;
           while(choice!=0){
                 System.out.println("\n\nChoose Your Choice...");
                 System.out.println("1) Teacher Details");
                 System.out.println("2) Typist Details ");
                 System.out.println("3) Officer Details");
                 System.out.println("Press 0 (ZERO) to exit ");
                 System.out.print("Enter your choice :  ");
                 System.out.flush();
                 try{
                       BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                       str=obj.readLine();
                       choice=Integer.parseInt(str);
                }catch(Exception e) {}
                  
                  if(choice==0)
                  {
                      System.out.println("\n\nThanks for Visiting\nDo Visit next time....\n");
                       System.exit(1);
                  }

                 switch(choice){
                       case 1 :     System.out.println("\n=====TEACHER DETAILS=====");
                                         System.out.println("\nInputing Data");
                                         teacher obj_teacher=new teacher();
                                         obj_teacher.getTeacher();
                                         System.out.println("\nDisplaying Data");
                                         obj_teacher.displayTeacher();
                                         break;
                        case 2 :    System.out.println("\n=====TYPIST DETAILS=====\n");
                                         System.out.println("\nInputing Data");
                                         casual obj_casual=new casual();
                                         obj_casual.getCasual();
                                         System.out.println("\nDisplaying Data");
                                         obj_casual.displayCasual();
                                         break;
                        case 3 :    System.out.println("\n=====OFFICER DETAILS=====\n");
                                         System.out.println("\nInputing Data");
                                         officer obj_officer=new officer();
                                         obj_officer.getOfficer();
                                         System.out.println("\nDisplaying Data");
                                         obj_officer.displayOfficer();
                                         break; 
                        }
          }
    }
}