import java.io.* ;

public class Kopiarka
{
    public static void kopiowanie (InputStream skad, OutputStream dokad) throws IOException
    {
        for (int z ; (z=skad.read())!=-1 ; dokad.write(z)) ;
    }
    public static void kopiowanie (Reader skad, Writer dokad) throws IOException
    {
        for (int z ; (z=skad.read())!=-1 ; dokad.write(z)) ;
    }
}