public class Qlab5 {

    public Qlab5() {
    }


}


class Registration{
    private PriorityQueue <Student> ogline;
    private Queue <Student> reline;
    class Student implements Comparable{
        private Sring name;
        private int age;

        public Student(String n, int a)
        {
            name= n;
            age=a;
        }

        public String toString()
        {
            return name+ " " + age;
        }

        public int compareTo(int g)
        {
            return a-g;
        }
    }



        public Registration()
    {
        ogline=new LinkedList<Student>();
        reline=new LinkedList<Student>();
    }

        public void enterLine()
        {
            Scanner f=new Scanner(System.in);
            String n;
            int g;
            System.out.print("Enter the student's name ==> ");
            n=f.nextLine();
            System.out.print("Enter the student's grade ==> ");
            g=f.nextLine();
            Student student=new Student(n,g);
            ogline.add(student);
        }

        public void displayOriginalLine()
        {
            private PriorityQueue <Student> ogline2;
            while(!ogline.isEmpty())
            {
                ogline2.add(ogline.peek());
                System.out.print(ogline.remove());

            }

            while(!ogline2.isEmpty())
            {
                ogline.add(ogline2.remove());

            }
        }

        public void disperseLine()




}