using System;

namespace yukicoder
{
    class Program
    {

        static void Main(string[] args)
        {
            var S = Console.ReadLine();

            var F = S.Split(" ");

            int s1 = int.Parse(F[0]);
            int s2 = int.Parse(F[1]);

            if(s1 < s2)
            {
                Console.WriteLine(1);
            }
            else if (s1 >= s2)
            {
                int s3 = (s1 / s2) + 1;
                Console.WriteLine(s3);
            }
        }
    }
}