import java.io.*;
public class BufferedIO {
    public static void dump(InputStream src,OutputStream dest) throws IOException{
        try(InputStream input=new BufferedInputStream(src);
        OutputStream output =new BufferedOutputStream(dest)){
            byte[] data =new byte[1024];
            int length;
            while((length=input.read(data)) !=-1){
                output.write(data,0,length);
            }
        }
    }
}