#define _CRT_SECURE_NO_WARNINGS // #pragma warning(disable:4996)
#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <functional>
using namespace std; 

int main()
{
	int S, F;
	cin >> S >> F;
	int ans = S/F;
	if (S&F) ans++;
	cout << ans << endl;
	return 0;
}