02. Safari

using System;

namespace _02._Safari
{
    class Program
    {
        static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());
            double gasNeeded = double.Parse(Console.ReadLine());
            string dayOfTheWeek = Console.ReadLine();

            double totalWorth = gasNeeded * 2.10 + 100;

            if (dayOfTheWeek == "Sunday")
            {
                totalWorth *= 0.80;
            }
            else
            {
                totalWorth *= 0.90;
            }

            if (budget >= totalWorth)
            {
                Console.WriteLine($"Safari time! Money left: {budget - totalWorth:f2} lv.");
            }
            else
            {
                Console.WriteLine($"Not enough money! Money needed: { Math.Abs(budget - totalWorth):f2} lv.");
            }
        }
    }
}