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

public class Renshu11_1 {
  public static void main(String[] args) throws Exception {
    URL url = new URL("http://dokojava.jp/favicon.ico");
    InputStream is = url.openStream();
    OutputStream os = new FileOutputStream("dj4.ico");
    int data = is.read();
    while(data != -1) {
      os.write((byte) data);
      data = is.read();
    }
    is.close();
    os.flush();
    os.close();
  }
}