#include<bits/stdc++.h>
using namespace std;
int main(){
    int m,n,l;
    cin>>m>>n;
    l=ceil(m*1.0/n);
    cout<<l;
    return 0;
}
/**************************************************************
	Problem: 1030
	User: chenmingyu
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/