Father/Son Letters

> Here are two entertaining emails exchanged between father and son.

Dear Dad,
	$chool i$ really great. I am making lot$ of friend$ and $tudying 
very hard. With all my $tuff, I $imply can't think of anything I need, 
$o if you would like, you can ju$t $end me a card, a$ I would love to 
hear from you.  

Love, Your $on. 
------------------------------------------------------------

Dear Son,
I kNOw that astroNOmy, ecoNOmics, and oceaNOgraphy are eNOugh to keep 
even an hoNOr student busy. Do NOt forget that the pursuit of kNOwledge
is a NOble task, and you can never study eNOugh. 

Love, Dad