using System;

namespace P01PartyProfit
{
    class Program
    {
        static void Main(string[] args)
        {
            int companionsCount = int.Parse(Console.ReadLine());
            int days = int.Parse(Console.ReadLine());
            int tempCount = companionsCount;
            double coinsPerCompanion = 0;

            int coins = 0;

            for(int i = 1; i <= days; i++)
            {
                coins += 50;
                coins -= 2 * companionsCount;

                if (i % 10 == 0)
                {
                    companionsCount -= 2;

                }

                if (companionsCount <= 0)
                {
                    break;
                }

                if (i % 15 == 0)
                {
                    companionsCount += 5;
                }

                if (i % 3 == 0)
                {
                    coins -= 3 * companionsCount;
                }

                if (i % 5 == 0)
                {
                    coins += 20 * companionsCount;

                }

                if(i%3==0 && i % 5 == 0)
                {
                    coins -= 2 * companionsCount;
                }


            }

            if (companionsCount <= 0)
            {
                 coinsPerCompanion = Math.Round((double)(coins / tempCount));
                Console.WriteLine($"{tempCount} companions received {coinsPerCompanion} coins each.");
            }
            else
            {
                coinsPerCompanion = Math.Round((double)(coins / companionsCount));
                Console.WriteLine($"{companionsCount} companions received {coinsPerCompanion} coins each.");
            }

           // Console.WriteLine($"{companionsCount} companions received {coinsPerCompanion} coins each.");

        }
    }
}