#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <map>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <regex>
#include <climits>
#include <queue>
#include <cstring>
#include <array>

using namespace std;

#define rep(i, N) for (long long i = 0; i < (N); ++i)

typedef long long ll;


int main() {
    int s, f;
    cin >> s >> f;
    cout << 1 + s / f << endl;
}