#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<climits>
#include<iostream>
#include<sstream>
#include<utility>
#include<map>
#include<vector>
#include<queue>
#include<algorithm>
#include<set>
#include<stack>
#include<functional>
using namespace std;
typedef long long ll;
typedef pair<int,int>P;

int main()
{
	int s,f;
	scanf("%d%d",&s,&f);
	printf("%d\n",s/f+1);
}