import java.util.*;import java.lang.*;
import java.io.*;
class BK
{
public void sookshmas(){
System.out.print("Happy learning");
}
}
class Derived extends BK
{
public Derived()
{
this("Hello guy's!!!"\n);
System.out.print("Here is a best learning platform" \n");
}
public Derived(String s)
{
System.out.print(s);
}
public static void main(String[] args)
{
Derived d=new Derived();
new Derived("Sookshmas E-learning\n");
d.sookshmas();
}
}