HW5 grading.

5 points total.

0 points if it is not turned in the correct way, with the correct file name.

0 points if the file is just copied to your directory, without you answer 
the questions and doing what it asked you to do.

3 points for question (2) that asks you to run the program and fill in 
what values were printed.

2 points for adding a printf statement that prints your name and if you 
worked with anyone.