import java.util.*;
import java.io.*;


public class JavaApplication {

    public static void deleteDir(File folder) {
        File [] files = folder.listFiles();
        for(File f : files) {
            if(f.isDirectory()) {
                deleteDir(f);
            }
            else if(f.isFile()) {
                f.delete();
            }
        }
        folder.delete();
    }

    public static void zapisi(File file) throws IOException {
        RandomAccessFile in = null;
        RandomAccessFile out = null;
        File to = new File("write-here.txt");
        try {
            in = new RandomAccessFile(file, "r");
            out = new RandomAccessFile(to, "rw");

            out.seek(out.length());

            int c;
            while((c=in.read()) != -1) {
                out.write(c);
            }
        }
        catch (Exception e) {
            // TODO: handle exception
        }
        finally {
            if (in != null) in.close();
            if (out != null) out.close();
        }
    }

    public static void funk(String from, String to) throws IOException {
        File fromFile = new File(from);
        File toFile = new File(to);

        if(fromFile.exists() && fromFile.isDirectory()) {
            if(toFile.exists() && toFile.isDirectory()) {
                deleteDir(toFile);
            }
            else {
                toFile.mkdir();
                File[] fromFiles = fromFile.listFiles();
                for(File f : fromFiles) {
                    if(f.getName().endsWith(".txt") && f.length() < 10){
                        f.renameTo(new File(to, f.getName()));
                    }
                    else {
                        zapisi(f);
                    }
                }
            }
        }
        else {

        }

    }

    public static void main (String[]args) throws IOException {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String [] pom = br.readLine().split(" ");
        String from = pom[0];
        String to = pom[1];

        funk(from,to);

    }
}