08.Ski

<?php

$numberofDay = intval(readline());
$typeofRoom = readline();
$rating = readline();
$stay = 0;
$stayEnd = 0;
$numberofDay = $numberofDay - 1;

if ($typeofRoom == 'room for one person') {
    $stay = $numberofDay * 18;
} else if ($typeofRoom == 'apartment') {
    $stay = $numberofDay * 25;
    if ($numberofDay < 10) {
        $stay = $numberofDay * 25 - ($stay * 0.3);
    } else if (15 >= $numberofDay && $numberofDay >= 10) {
        $stay = $numberofDay * 25 - ($stay * 0.35);
    } else if ($numberofDay > 15) {
        $stay = $numberofDay * 25 - ($stay * 0.50);
    }
} else if ($typeofRoom == 'president apartment') {
    $stay = $numberofDay * 35;
    if ($numberofDay < 10) {
        $stay = $numberofDay * 35 - ($stay * 0.1);
    } else if (15 >= $numberofDay && $numberofDay >= 10) {
        $stay = $numberofDay * 35 - ($stay * 0.15);
    } else if ($numberofDay > 15) {
        $stay = $numberofDay * 35 - ($stay * 0.20);
    }
}


if ($rating == 'positive') {
    $stayEnd = $stay + ($stay * 0.25);
    printf('%0.2f', $stayEnd);
} else if ($rating == 'negative') {
    $stayEnd = $stay - ($stay * 0.10);
    printf('%0.2f', $stayEnd);
}