import java.io.*;
class Student { 
    int rno;
    String name; 
    DataInputStream ob = new DataInputStream(System.in);
    void getRoll() { 
        try{
        System.out.println("Enter Name:");
        name=ob.readLine(); 
        System.out.println("Enter Roll No.");
        rno=Integer.parseInt(ob.readLine()); 
        }
        catch(Exception e){}
        } 
        } 
        class Test extends Student {
            float m1,m2; 
            void getMarks() {
                try{
                System.out.println("Enter Sem1 Marks");
                m1=Float.parseFloat(ob.readLine());
                System.out.println("Enter Sem2 Marks");
                m2=Float.parseFloat(ob.readLine());
                }
                catch(Exception e){}
                }
                }
                interface Sports {
                    void getScore(); 
                    void display();
                    }
                    class Result extends Test implements Sports {
                        float Score; 
                        public void getScore() {
                            try{
                            System.out.println("Enter Sports Score");
                            Score=Float.parseFloat(ob.readLine());
                            }
                            catch(Exception e){}
                            } 
                            float total; 
                            void getTotal() {
                                total=m1+m2+Score; 
                                } 
                                public void display() { 
                                    System.out.println("Name Of Student Is:"+name);
                                    System.out.println("Roll No:"+rno); 
                                    System.out.println("Sem1 Marks Are:"+m1);
                                    System.out.println("Sem2 Marks Is:"+m2);
                                    System.out.println("Sports Score Is:"+Score);
                                    System.out.println("Total Score Is:"+total); 
                                    } 
                                    } 
                                    class Inheritance2 {
                                        public static void main(String args[]) throws Exception { 
                                            Result obj=new Result();
                                            obj.getRoll();
                                            obj.getMarks(); 
                                            obj.getScore();
                                            obj.getTotal(); 
                                            obj.display();
                                            }
                                            }