#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using vi = vector<int>;
using vl = vector<long long>;
using vc = vector<char>;
using vs = vector<string>;
using vb = vector<bool>;
using Graph = vector<vector<int>>;
#define _GLIBCXX_DEBUG
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ALL(f,c,... ) (([&](decltype((c)) cccc) { return (f)(std::begin(cccc), std::end(cccc), ## __VA_ARGS__); })(c))
const int INF = 1e9;
const int MININF = -1e9;
const ll LINF = 1e18;
const int MOD = 1e9+7;
const int MODD = 998244353;

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