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

class Magatro
{
    static void Main()
    {
        int[] q = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray();
        Console.WriteLine((q[0] / q[1]) + 1);
    }

}