import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        LinkedList<Student> studentList = new LinkedList<Student>();

        Student s1 = new Student("Sujit", 1);
        Student s2 = new Student("Siddharth", 2);
        Student s3 = new Student("Karanpreet", 3);
        Student s4 = new Student("Hari", 5);
        Student s5 = new Student("Tricha", 4);

        studentList.add(s1);
        studentList.add(s2);
        studentList.add(s3);
        studentList.add(s4);
        studentList.add(s5);
        Student element = studentList.get(1);
       System.out.println(element.getDetails());
    }

    public static void printStudentList(LinkedList<Student> students) {
        for (Student s : students) {
            System.out.println(s.getDetails());
        }
    }
}

class Student {
    private final String name;
    private final int rollNumber;

    public Student(String name, int rollNumber) {
        this.name = name;
        this.rollNumber = rollNumber;
    }

    public String getDetails() {
        return "name = " + this.name + '\n' +
                "roll number = " + this.rollNumber + '\n';
    }
}