#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using Graph = vector<vector<int>>;
using ll = long long;
//正解に近いコードはこちらに移しておく



int main() {
    int s,f;
    cin >> s >> f;
    int x = 1;
    while (f*x <= s) {
        x++;
    }
    cout << x << endl;
}