// package pic20b;

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

public class Ping {
    public static void main(String[] args) throws Exception {
	if (args.length != 1) {
	    System.out.println("usage: java Ping <systemname> ");
	    System.exit(0);
	}

	String machine = args[0];
	final int dayTimePort = 13;
	Socket sock = new Socket(machine, dayTimePort);
	BufferedReader in = new BufferedReader(
		new InputStreamReader(sock.getInputStream()));
	String timestamp = in.readLine();
	System.out.println(machine + " is alive at " + timestamp);
    }
}