using System;

namespace Ex_Water_Overflow
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int liters = int.Parse(Console.ReadLine());

            int capacity = 255;
            int sumLiters = 0;

            for (int i = 0; i <= n; i++)
            {

                if (capacity >= sumLiters)
                {
                    Console.WriteLine("Insufficient capacity!");
                    Console.WriteLine($"{sumLiters}");
                }
                sumLiters += liters;
                n--;
            }
        }
    }
}