# include<bits/stdc++.h>
using namespace std;
int main(){
	int n,x,y;
	cin>>n>>x;
	n=n*1000.0;
	y=n%10;
	if(y>0){
		cout<<n/x;	
	}cout<<n/x+1;

    return 0;
}

/**************************************************************
	Problem: 1309
	User: caiqiaoxi
	Language: C++
	Result: Wrong Answer
****************************************************************/