class Human

   int eye;

   void eat()

   {

     system.out.println("Every human needs eating");

     }

 }

 

class Student extends Human

  int rollno;

  void learn()

   {

      system.out.println("Every student must have to learn");

 

     }

 

class Top10student extends Student

  int ygpa;

  void attendance()

   {

      system.out.println("Top 10 students must have 80% attendance in class");

     }

 

class Test

  public static void main(string[] args)

   {  

      Top10student A=new Top10student();

      A.eye=2;

      A.eat();

      A.rollno=34;

      A.learn();

      A.ygpa=9;

      A.attendance();

      system.out.println(A.eye);

      system.out.println(A.rollno);

      system.out.println(A.ygpa);

 

         }