#include <iostream> // needed
#include <cstdlib>    // good to have, not used in this example.

using namespace std;

// omg this are comment!
/* This is also a comment, and it has to be ended with a */

/*
This
is
a
multiline
comment
*/

// define function prototypes (only if function is used before it is defined, or if it is
// linked in as an object
int addPlz( int x, int y );


// main is the function called by the operating system.  argc = argument count,
// argv is a char pointer array of the arguments 
// (in the olden days, it was char *argv[] -- which is the same as char **)
int main( int argc, char **argv )
{
    int cake;
    for( int i=0; i<25; i++ ) {
        cake += i / (cake - 4 * 2); // the same as (cake - 8), since order of operations rock
    }

    cout << "Cake is equal to: " << cake << "\n"; // note that typing endl there
                                                                       // is the same as "\n"

    int ans = addPlz( 2, 5 );

    cout << "Answer is " << ans << endl;

    return 0;
}

int addPlz( int x, int y ) {
    return x + y;
}