#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c;
	scanf("%d %d",&a,&b);
	c=(a+b-1)/b;
	printf("%d",c);
}
/**************************************************************
	Problem: 1030
	User: toughuatao1
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/