#include <bits/stdc++.h>
using namespace std;
int main(){
    int m,n,c;
    cin>>m>>n;
    cout<<(m+n-1)/n;
    return 0;
}
/**************************************************************
	Problem: 1030
	User: hongjiaming
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/