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

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