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

namespace BackToThePast
{
    class Program
    {
        static void Main(string[] args)
        {
            double inheritedMoney = double.Parse(Console.ReadLine());
            int year = int.Parse(Console.ReadLine());

            int years = 18;

            for(int i = 1800; i<=year; i++)
            {
                if (i % 2 == 0)
                {
                    inheritedMoney -= 12000;
                }else
                {
                    inheritedMoney -= 12000 + (50 * years);
                }
                years++;
            }

            if (inheritedMoney >= 0)
            {
                Console.WriteLine("Yes! He will live a carefree life and will have {0:0.00} dollars left.", inheritedMoney);
            }else
            {
                Console.WriteLine("He will need {0:0.00} dollars to survive.", Math.Abs(inheritedMoney));
            }
        }
    }
}