setauto basic

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fastread()(ios_base:: sync_with_stdio(false),cin.tie(NULL));
int main()
{ fastread();
     /// bro taka chuto ,,,,(,greatre<int>) baddila chuto taka boro daka ba;;;
    ///setv.insert(i);,for gurala value gula inset hoha jaba;;;;;;
   /* set<int, greater<int>>setv;

      setv.insert(20);
      setv.insert(10);
      setv.insert(30);
      setv.insert(30);
      setv.insert(50);
      setv.insert(45);
       for(auto p : setv)
     {
         cout<<p<<endl;
     }
  cout<<endl; */

   ///SET ar size, SET empty ki na,ba setv.clear(); diha clear kora ;


/*      set<int, greater<int>>setv;

      setv.insert(20);
      setv.insert(10);
      setv.insert(30);
      setv.insert(30);
      setv.insert(50);
      setv.insert(45);


      for(auto p : setv)
     {
         cout<<p<<endl;
     }
     cout<<endl;



    cout<<"if empty ans is 1 than it set empty .... \nOR if empty ans is 0 then set is not empty\n";
    cout<<"size1="<<setv.size()<<" "<<"empty funtion="<<setv.empty()<<endl;

      setv.clear();

    cout<<"size1="<<setv.size()<<" "<<"empty funtion="<<setv.empty()<<endl;
  for(auto p : setv)
     {
         cout<<p<<endl;
     }
      cout<<" abc";

*/
/// scan niha set;

      set<int>s;

     int n;

     cin>>n;

     for(ll i=0; i<n; i++)
     {
         ll a;

         cin>>a;

         s.insert(a);
     }

     for(auto x : s)
     {
         cout<<x<<endl;
     }






}