// 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;
}