using System;

public class Hello{
    public static void Main(){
        // Here your code !
        string read = Console.ReadLine();
        string[] input = read.Split(' ');
        int s = int.Parse(input[0]);
        int f = int.Parse(input[1]);
        
        int answer = 1 + (s / f);
        
        System.Console.WriteLine(answer);
    }
}