#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b;
    cin>>a>>b;
    if(a%b==0){
        cout<<a/b;
    }else{
        cout<<a/b+1;
    }
}
/**************************************************************
	Problem: 1648
	User: linmiaoling
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/