#include<bits/stdc++.h>
using namespace std;
int main(){
	int m,n;
	cin>>m>>n;
	int p=m/n;
	if (m%n>0)
	{
		p++;
	}
	cout<<p<<endl;	
	return 0;
}
/**************************************************************
	Problem: 1030
	User: xiaojingxuan
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/