import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
public class Copiar {
 public static void main(String [] args) {
    FileInputStream in;
    FileOutputStream out;
    try {
      in = new FileInputStream("gus.txt");
      out= new FileOutputStream("anillo.txt");
      BufferedInputStream bfIn = new BufferedInputStream(in);
      BufferedOutputStream bfOut = new BufferedOutputStream(out);
      int c;
      while ( (c=bfIn.read()) != -1) { bfOut.write(c);}//while
      bfIn.close();bfOut.close();
      in.close();out.close();

 }//main
}