import java.net.*;
import java.io.*;

public class Main
{
	public static void main(String args[])
	{
		if (args.length < 1){
			System.out.println("Wywoanie programu: Main nazwa_hosta");
			System.exit(0);
		}
		InetAddress tab[] = null;
		String hostName = args[0];
		try{
			tab = InetAddress.getAllByName(hostName);
		}
		catch(UnknownHostException e){
		System.out.println("Nie mona uzyska adresu IP dla tego komputera.");
			System.exit(0);
		}
		for (int i = 0; i < tab.length; i++){
			String ip = tab[i].getHostAddress();
			System.out.println("IP[" + i + "] = " + ip);
		}
	}
}
