#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c;
	cin>>a>>b;
	if(a%b==0){
		c=a/b; 
	}else c=a/b+1;
	cout<<c;
}
/**************************************************************
	Problem: 1648
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/