// The string library may be included in other headers

// including iostream (at least on the CSE Linux environment),

// but since we use it we should include it explicitly.

#include <iostream>

#include <string>

#include <cstdlib>



using namespace std;



int main(int argc, char **argv) {

  string hello("Hello");

  hello = hello + ", World!";

  cout << hello << endl;

  return EXIT_SUCCESS;

}