import javax.imageio.*;
import java.awt.image.*;
import java.awt.event.*;
import java.awt.*;
import java.security.NoSuchAlgorithmException;
import java.security.MessageDigest;
import java.lang.reflect.*;
import java.net.*;
import java.io.*;
import javax.swing.text.*;
import javax.swing.event.*;
import javax.swing.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.*;
import java.util.regex.*;
import java.util.List;
import java.util.zip.*;
import java.util.*;


public class main {
  static int port = 1234;
  static String ip = "localhost";
  
  public static void main(String[] args) throws Exception {
    int i = 0;
    if (args.length >= 2) ip = args[i++];
    port = parseInt(args[i++]);
    
    print("Killing " + port + " on " + ip);
    Socket s = new Socket(ip, port);
    OutputStream out = s.getOutputStream();
    out.write("kill!\n".getBytes("UTF-8"));
    s.close();
    print("Done!");
  }

static int parseInt(String s) {
  return Integer.parseInt(s);
}

static void print() {
  System.out.println();
}

static void print(Object o) {
  System.out.println(o);
}

static void print(long i) {
  System.out.println(i);
}
}