#include<bits/stdc++.h>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
if(a%b==0){
cout<<a/b;a
}else{
cout<<a/b+1;
}
}
/**************************************************************
Problem: 1648
User: panjinyan
Language: C++
Result: Compile Error
****************************************************************/