#include <iostream>
#include <string>
#include <vector>
#include <istream>
#include <ostream>
#include <stdexcept>
#include <algorithm>

using std::cin;
using std::cout;
using std::string;
using std::endl;
using std::vector;
using std::istream;
using std::ostream;
using std::domain_error;
using std::sort;

istream & read_phrase(istream &in, string & phrase) {
  string word;
  if (in)
    {
      phrase.clear();
      while (in >> word && word!="end") {
	phrase += word;
      }
    }
  return in;
}

int main()
{
  string phrase;

  cout << "Enter the phrases" << endl;
  while (read_phrase(cin, phrase)) {
    cout << phrase;
  }
  return 0;
}