#include<bits/stdc++.h>
using namespace std;
int main(){
	int z,a;
	cin>>z>>a;
	if(z%a==0){
		cout<<z/a;
	}else{
		cout<<z/a+1;
	}
}
/**************************************************************
	Problem: 1648
	User: wangyiyang
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/