02. New Years Eve Party

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp6
{
    class Program
    {
        static void Main(string[] args)
        {
            int numberguests = int.Parse(Console.ReadLine());
            int budget = int.Parse(Console.ReadLine());
            int kuvert = 20;
            double kuvertAmount = numberguests * kuvert;
            double moneyLeft = budget - kuvertAmount;
            double moneyFire = moneyLeft * 0.4;
            double moneyCharity = moneyLeft - moneyFire;

            if (budget > kuvertAmount)
            {
                Console.WriteLine("Yes! {0} lv are for fireworks and {1} lv are for donation.", Math.Round(moneyFire), Math.Round(moneyCharity));
            }
            else if (budget <= kuvertAmount)
            {
                Console.WriteLine("They won't have enough money to pay the covert. They will need {0} lv more.", Math.Abs(Math.Round(moneyLeft)));
            }
        }
    }
}