using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    public void Solve()
    {
        int[] SF = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray();
        Console.WriteLine(SF[0] / SF[1] + 1);
    }

    static void Main()
    {
        var solver = new Program();
        solver.Solve();
    }
}