/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Infotech{
Infotech(){System.out.println("b ");}
Infotech(String tech){
this(); System.out.println("bn " + tech);
}}
 
class Metazone extends Infotech{
Metazone() {System.out.println("h ");}
Metazone(String tech){
this(); System.out.println("hn " + tech);}
public static void main(String[] args) {new Metazone("X ");
}}

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