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

namespace yukicoder_388
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] a = Console.ReadLine().Split(' ');
            int s = int.Parse(a[0]);
            int f = int.Parse(a[1]);
            int flr = s / f;
            if (s % f != 0)
            {
                flr++;
            }
            Console.WriteLine(flr);
            Console.ReadLine();
        }
    }
}