using System;

namespace For_Loop___More_Exercises
{
    class Program
    {
        static void Main(string[] args)
        {
            double age = 18;
            double money = double.Parse(Console.ReadLine());
            int yearToLive = int.Parse(Console.ReadLine());

            for (int year = 1800; year <= yearToLive; year++)
            {
                if (year % 2 == 0)
                {
                    money = money - 12000;
                }
                else if (year % 2 != 0)
                {
                    money = money - (12000 + (50 * age));
                }
            }
            if (money >= 0)
            {
                Console.WriteLine($"Yes! He will live a carefree life and will have {Math.Abs(money):f2} dollars left.");
            }
            else
            {
                Console.WriteLine($"He will need {money:f2} dollars to survive.");
            }
        }
    }
}