import java.io.File;
import java.util.Arrays;
import java.util.Scanner;


public class Main_yukicoder3010 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        File bin = new File(File.separator + "bin");
//        File bin = new File("C:" + File.separator + "Temp");
        String[] list = bin.list();
        Arrays.sort(list);

        for (String e : list) {
        	if (e.charAt(0) != '.') {
        		System.out.println(e);
        	}
        }

        sc.close();
    }
}