import java.io.*;
public class Failiuuring1{
  public static void main(String[] arg) throws IOException{
     File[] failid=new File(".").listFiles();
     for(int i=0; i<failid.length; i++){
        System.out.println(failid[i]);
        if(failid[i].isDirectory()){
           File[] fd2=failid[i].listFiles();
           for(int j=0; j<fd2.length; j++){
              System.out.println(fd2[j]);
           }
        }
     }
  }
}