import java.io.*;
public class Main {

    public static void main(String[] args) throws IOException{
        FileInputStream in = new FileInputStream("in.txt");
        FileOutputStream out = new FileOutputStream("out.txt");
        byte[] b = in.readAllBytes();
        out.write(b);
        if(in != null) {
            in.close();
        }
        if(out != null) {
            out.close();
        }

    }
}