#include<bits/stdc++.h>
using namespace std;
int main() { 
	int m,n;
	cin>>m>>n;
	if(m%n==0){
		cout<<m/n;
	}else cout<<m/n+1;
    return 0;
}
/**************************************************************
	Problem: 1030
	User: panjinyan
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/