#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,s,k;
	cin>>a>>s;
	if(a%s==0){
		k=a/s;
	}else{
		k=a/s+1;
	}cout<<k;
}

/**************************************************************
	Problem: 1648
	User: tonghuawei
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/