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

class myClass {
    private String filepath;
    
    myClass(String arg) {
        filepath = arg;
    }
    
    private boolean isDirectory(String arg) {
        File f = new File(filepath + arg);
        if(f.isDirectory())
            return true;
        else
            return false;
    }
    
    public void listDirectoryContents() {
        File f = new File(filepath);
        String[] filelist = f.list();
        List<String> directories = new ArrayList<String>();
        List<String> files = new ArrayList<String>();
        
        int filesArrayIndex = 0;
        int directoriesArrayIndex = 0;
        
        Arrays.sort(filelist);
        for(int i=0;i<filelist.length;i++) {
            if(isDirectory(filelist[i]))
                directories.add(filelist[i]);
            else
                files.add(filelist[i]);
        }
        for(int i=0;i<directories.size();i++) {
            System.out.println(directories.get(i) + " <DIR>");
        }
        for(int i=0;i<files.size();i++) {
            System.out.println(files.get(i));
        }
    }
}
public class simpleJavaApp {
    public static void main(String[] args) {
        myClass c = new myClass("/export/home/tsang/");
        c.listDirectoryContents();
    }
}