#!/usr/bin/perl
#File: add.pl                                                                                                                                                                                                
#Author: Jessen Bredeson

use strict;
use warnings;

my $x = shift;
my $y = shift;

if (! defined($x) or ! defined($y)) {
    print "Please provide two positive numbers.\n";
} else {
    print $x + $y, "\n";
}