#include <bits/stdc++.h>
using namespace std;
int main(){
	int n,m;
	cin>>n>>m;
	cout<<n/m+(n%m==0?0:1);
	return 0;
}

/**************************************************************
	Problem: 1030
	User: zhouhongyi
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/