#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,z;
	cin>>a>>b;
	if(a%b==0)z=a/b;
	else z=a/b+1;
	cout<<z<<endl;
	return 0;
}

/**************************************************************
	Problem: 1648
	User: admin
	Language: C++
	Result: Accepted
	Time:18 ms
	Memory:2072 kb
****************************************************************/