#include <bits/stdc++.h>
using namespace std;
int main(){
    int a,b,m;
    cin>>a>>b;
    if(a%b>0){
        b=a/b+1;
        cout<<b;
    }
    if(a%b==0){
        b=a/b;
        cout<<b;
    }
}
/**************************************************************
	Problem: 1030
	User: zhangyilei
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/