using System;
using System.Linq;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            var rl = Console.ReadLine().Split(' ');
            var s = int.Parse(rl[0]);
            var f = int.Parse(rl[1]);

            var result = s / f + 1;
            
            Console.WriteLine($"{result}");
        }
    }
}