Select Code to Download

Enter the month as an integer i.e. (1=January, 2=Febuary, etc.)
0
How many days [1-31]?
...
I just want to let you know that I won't be in class on the following 
+days:

 December 1, 2, 3, 4, 5, 6, 7, ....

chomp(my $month = <STDIN> ); 
$month--;
print "Invalid Month $month specified\n" unless (exists $months[$month
+]);
...
    print" Quitting. Insufficient user IQ or typing skills\n";
    exit;
}