#include <bits/stdc++.h>
using namespace std;
int main(){
	int m,n,c;
	cin>>m>>n;
	cout<<(m+n-1)/n;
	return 0;
}
/**************************************************************
	Problem: 1030
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/