#include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < (n); i++)
using namespace std;
using P = pair<int, int>;
using ll = long long;

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