using System;

namespace IvanchoInThePast
{
    class Program
    {
        static void Main(string[] args)
        {
            int ivanchoAge = 18;
            var inheritedMoney = double.Parse(Console.ReadLine());
            var funeralYear = int.Parse(Console.ReadLine());
            double neededMoney = 0.00;
            int startYear = 1800;
            int it = startYear;

            do
            {
                if (it % 2 == 0)
                    neededMoney += 12000;
                if (it % 2 != 0)
                    neededMoney += 12000 + 50 * ivanchoAge;

                it++;
                ivanchoAge++;

            } while (it <= funeralYear);

            if (neededMoney <= inheritedMoney)
            {
                Console.WriteLine("Yes! He will live a carefree life and will have {0:f2} dollars left.",inheritedMoney-neededMoney);
            }

            if (neededMoney > inheritedMoney)
            {
                Console.WriteLine("He will need {0:f2} dollars to survive. ",neededMoney-inheritedMoney);
            }

        }
    }
}