zadacha 3 test

using System;

public class Program
{
    public static void Main()
    {
        int days = int.Parse(Console.ReadLine());
        string room = Console.ReadLine();
        int PriceA = days * 70;
        int PriceP = days * 125;
        if (room == "apartment")
        {
            if (days < 10)
            {
                Console.WriteLine("{0:F2}", PriceA - PriceA * 0.3);
            }
            else if (days <= 15)
            {
                Console.WriteLine("{0:F2}", PriceA - PriceA * 0.35);
            }
            else
            {
                Console.WriteLine("{0:F2}", PriceA - PriceA * 0.5);
            }
        }
        else if (room == "president apartment")
        {
            if ( days < 10)
            {
                Console.WriteLine("{0:F2}", PriceP - PriceP * 0.1);
            }
            else if (days <= 15)
            {
                Console.WriteLine("{0:F2}", PriceP - PriceP * 0.15);
            }
            else
            {
                Console.WriteLine("{0:F2}", PriceP - PriceP * 0.2);
            }
        }
    }
}