/*
    Helloworld program to illustrate how to compile and run a program. (and I am a comment)
*/

#include <iostream>                    // Include cin / cout streams for input/output
using namespace std;                   // Use this otherwise we need to write std::cout below.

int main()                             // Operating system always calls main to start the program
{                                      // First line of program
   cout << "Hello world" << endl;      // Print the line
   return 0;                           // return 0 to the operating system (means no error occured)
}                                      // Last line of the program