import java.net.*;
 
class myName {
 
public static void main (String args[]) {
 
try {
InetAddress address = InetAddress.getLocalHost();
System.out.println("Hello. My name is " + address.getHostName());
}
catch (UnknownHostException e) {
System.out.println("I'm sorry. I don't know my own name.");
}
 
}
 
}