import java.util.*;
import java.lang.*;
import java.io.*;
 
class Student{
  public Student(){
    System.out.println("Hello 1");
  }
  public Student(String name){          
    System.out.println("Student name is " + name);
  }
 
  public Student(String name, int marks){
    System.out.println("Student name is " + name + " and marks are " + marks);
  }
 
  public static void main(String args[]){
    Student std1 = new Student();                
    Student std2 = new Student("John");       
    Student std3 = new Student("Dora", 56);    
  }
}

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