#include <iostream>
#include <cmath>
#include <array>
using namespace std;
int main(){
    ///enter the array with positions
int sizeOfArray=0;
   cin >> sizeOfArray;
   int array[sizeOfArray];
   for(int i=0;i<sizeOfArray;i++){
    cin>>array[i];}

if(array[0]==array[1]==array[2]==array[3]==array[4]){
             cout<< array[0]<<" " <<array[1]<<" "<<array[2]<<" " <<array[3]<<" " <<array[4];
             }else if(array[1]==array[2]==array[3]==array[4]==array[5]){
             cout<< array[1]<<" " <<array[2]<<" "<<array[3]<<" " <<array[4]<<" " <<array[5];
             }else if(array[2]==array[3]==array[4]==array[5]==array[6]){
             cout<< array[2]<<" " <<array[3]<<" "<<array[4]<<" " <<array[5]<<" " <<array[6];
             }else if(array[1]==array[2]==array[3]==array[4]){
             cout<< array[1]<<" " <<array[2]<<" "<<array[3]<<" " <<array[4];
            }else if(array[0]==array[1]==array[2]==array[3]){
             cout<< array[0]<<" " <<array[1]<<" "<<array[2]<<" " <<array[3];
            }else if(array[2]==array[3]==array[4]==array[5]){
             cout<< array[2]<<" " <<array[3]<<" "<<array[4]<<" " <<array[5];
            }else if(array[3]==array[4]==array[5]==array[6]){
             cout<< array[3]<<" " <<array[4]<<" "<<array[5]<<" " <<array[6];
            }else if(array[0]==array[1]==array[2]){
               cout<< array[0]<<" " <<array[1]<<" "<<array[2];
             }else if(array[1]==array[2]==array[3]){
             cout<< array[1]<<" " <<array[2]<<" "<<array[3];
             }else if(array[2]==array[3]==array[4]){
             cout<< array[2]<<" " <<array[3]<<" "<<array[4];
             }else if(array[3]==array[4]==array[5]){
             cout<< array[3]<<" " <<array[4]<<" "<<array[5];
             }else if(array[4]==array[5]==array[6]){
             cout<< array[4]<<" " <<array[5]<<" "<<array[6];
             }else if(array[0]==array[1]){
        cout<< array[0]<<" " <<array[1];
      }else if(array[1]==array[2]){
        cout<< array[1]<<" " <<array[2];
       }else if(array[2]==array[3]){
           cout<< array[2]<<" " <<array[3];
           }else if(array[3]==array[4]){
             cout<< array[3]<<" " <<array[4];
             }else if(array[4]==array[5]){
             cout<<array[4]<<" " << array[5];
             }else if(array[5]==array[6]){
             cout<<array[5]<<" " << array[6];
             }