#include  <iostream.h>
#include  <stdlib.h>
#include  <stdio.h>
#include  <vector.h>

void main()
{
   vector<int> number;
   int num;
   while(cin>>num){
      number.push_back(num);
   }
   for(vector<int>::iterator iter=number.begin();iter!=number.end();iter++){
       cout<<*iter<<" ";
   }
   vector<int>::iterator mid=number.begin()+number.size()/2;
   cout<<*mid<<'\n';
 /* vector<int>::iterator mid1=(number.begin()+number.end())/2;
   cout<<*mid1<<'\n'; */
   getchar();
}