#include <iostream>
#include <algorithm>
#include <vector>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
using namespace std;
typedef long long ll;
typedef pair<int,int> pint;
typedef vector<int> vint;
typedef vector<pint> vpint;
#define mp make_pair
#define fi first
#define se second
#define all(v) (v).begin(),(v).end()
#define rep(i,n) for(int i=0;i<(n);i++)

int main(void){
	int n, f; cin >> n >> f;
	int ans = n / f;
	printf("%d\n", ans + 1);

	return 0;
}