02. Safari

using System;


namespace _02._Odd_Occurrences
{
    class Program
    {
        static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());
            double liters = double.Parse(Console.ReadLine());
            string day = Console.ReadLine(); //"Saturday" и "Sunday"

            //1.разходи за сафари = гориво (литри * 2.10) + екскурзовод (100 лв)
            double expenses = liters * 2.10 + 100;

            //2. отстъъпка
            if (day == "Saturday")
            {
                //10% отстъпка
                expenses = expenses - 0.10 * expenses;
                //0.9 * expenses
                //expenses -= 0.10 * expenses
            }
            else if (day == "Sunday")
            {
                //20% отстъпка
                expenses = expenses - 0.20 * expenses;
                //0.8 * expenses
                //expenses -= 0.20 * expenses
            }

            //3.проверка дали ми стига бюджетът
            if (budget >= expenses)
            {
                //достатъчен
                double leftMoney = budget - expenses;
                Console.WriteLine($"Safari time! Money left: {leftMoney:F2} lv.");
            }
            else
            {
                //не е достатъчен
                double needMoney = expenses - budget;
                Console.WriteLine($"Not enough money! Money needed: {needMoney:F2} lv.");
            }



        }
    }
}