// Code derived from Stroustrup's PPP2 book
// § 3.1 Input
// -beginning on p 60

#include <iostream>
#include <string>

using std::cin;
using std::cout;
using std::string;

// read and write a first name
int main()
{
  cout << "Please enter your first name (followed by 'enter'):\n";
  string first_name;  // first_name is a variable of type string
  cin >> first_name;  // read characters into first_name
  cout << "Hello, " << first_name << "!\n";
}