Exam - 17 December 2017 - 02. New Years Eve Party

<?php
$guestsNumber = readline();
$ivanovisBudget = readline();
$couvertsPrice = 20 * $guestsNumber;
if ($couvertsPrice < $ivanovisBudget){
    echo "Yes! ".round(($ivanovisBudget - $couvertsPrice) * 0.40)." lv are for fireworks and ".round(($ivanovisBudget - $couvertsPrice) * 0.60)." lv are for donation.";
}
else{
    echo "They won't have enough money to pay the covert. They will need ".round($couvertsPrice - $ivanovisBudget)." lv more.";
}