#include<bits/stdc++.h>
using namespace std;
int main()
{
	int m,n,x;
	scanf("%d %d",&m,&n);
	x=(m+n-1)/n;
	printf("%d",x);
    return 0;
}
/**************************************************************
	Problem: 1030
	User: HUANGYIBO
	Language: C++
	Result: Accepted
	Time:19 ms
	Memory:2072 kb
****************************************************************/