#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,z;
    cin>>a>>b;
    z=(a+b-1)/b;
    cout<<z;
}
/**************************************************************
	Problem: 1648
	User: sucongyi
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/