#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
using namespace std;
int main()
{
  vector<string> s;
  // input from standard input (cin)
  copy(istream_iterator<string>(cin), //from  
       istream_iterator<string>(),    //end 
       back_inserter(s));             //to   
  // output to standard output (cout)
  copy(s.begin(),s.end(),                   // from 
       ostream_iterator<string>(cout," ")); // to
  cout<<endl;
  return 0;
}