#include <bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c;
	cin>>a>>b;
	if(a%b!=0)c=a/b+1;
	cout<<c;
	return 0;
}
/**************************************************************
	Problem: 1030
	User: panyuchen
	Language: C++
	Result: Wrong Answer
****************************************************************/