#include<bits/stdc++.h>
using namespace std;
int main(){
	int m,n,l;
	cin>>m>>n;
	l=ceil(m*1.0/n);
	cout<<l;
	return 0;
}

/**************************************************************
	Problem: 1030
	User: tangkaixuan
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/