/* 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 Greeting
{
	public static void main (String[] args) 
	{
		Speak s = new Speak;
		s.say();
	}
}
 
class Speak {
	String name = "Bill";
	String greeting = "Hi, ";
	void say(){
		System.out.println(greeting + name);
	}
}
 
class Hello extends Speak {
	Hello(){
		greeting = "Hello, ";
	}
}
 
class Bye extends Speak {
	Bye(){
		name = "Steve";
		greeting = "Bye, ";
	}
	void shout() {
		System.out.println("Bye!! " + name);
	}
}

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