using System;

namespace New_Years_Eve_Party
{
    class Program
    {
        static void Main(string[] args)
        {
            int guests = int.Parse(Console.ReadLine());
            int budget = int.Parse(Console.ReadLine());
            int kuvert = 20;
            if(guests * kuvert < budget)
            {
                int ostatuk = budget - (guests * kuvert);
                double fireworks = ostatuk * 0.40;
                double donation = ostatuk * 0.60;
                Console.WriteLine("Yes! "+ fireworks +" lv are for fireworks and "+ donation +" lv are for donation.");
            }
            else
            {
                Console.WriteLine("They won't have enough money to pay the covert. They will need " + ((guests * kuvert) - budget) + " lv more.");
            }
        }
    }
}