Help with my simple C++ program? (might be obvious...)

Help with my simple C++ program? (might be obvious...)

#include <iostream>
#include <string>

int main () 
{
	std::string firstName = "";

	std::cout << "Enter your first name and press ENTER: ";

	std::cin >> firstName;

	std::cout << std::endl;

	std::cout << "Hello, " << firstName << std::endl << std::endl;
}