import java.util.*;

class Student{

String name;

int roll;

String address;

public void inputs(){

Scanner sc=new Scanner(System.in);

System.out.println("What is your name?");

name=sc.nextLine();

System.out.println("Your roll no.?");

roll=sc.nextInt();

System.out.println("Where do you live");

sc.nextLine();

address=sc.nextLine();

}

public void greeting(){

System.out.println("Hello "+name);

}

public void fullDetails(){

System.out.println("You are "+name+"\nYour roll call is "+roll+"\nYou live in "+address);

}

public static void main(String []args){

Student s1=new Student();

s1.inputs();

s1.greeting();

s1.fullDetails();

Student s2=new Student();

s2.inputs();

s2.fullDetails();

}

}