#include <bits/stdc++.h>
using namespace std;
int main(){
	int a,b,m;
	cin>>a>>b;
	if(a%b>0){
		b=a/b+1;
		cout<<b;
	}
	if(a%b==0){
		b=a/b;
		cout<<b;
	}
}
/**************************************************************
	Problem: 1030
	User: tonghuawei
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/