package com.Mandel.treeset;

import javax.swing.text.html.HTMLDocument;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Iterator;
import java.util.Scanner;
import java.util.TreeSet;

public class Main {

    public static void main(String[] args) throws IOException {
        File filein=new File("src/algsort.in");
        File fileout=new File("src/algsort.out");
        Scanner scanner=new Scanner(filein);
        TreeSet<Integer> treeSet=new TreeSet<>();
        int nr_numere;
        nr_numere=scanner.nextInt();
        for (int i = 0; i <nr_numere ; i++) {
            treeSet.add(scanner.nextInt());
        }
        FileWriter scriitor=new FileWriter(fileout);
        Iterator iterator=treeSet.iterator();
        while(iterator.hasNext()){
            scriitor.write((Integer) iterator.next()+' ');

        }

    }
}