#include<bits/stdc++.h>
using namespace std;
int main(){
   int m,n;
   cin>>m>>n;
   if(m%n==0){
      cout<<m/n<<endl;
   }else{ 
      cout<<m/n+1<<endl;
   }
   return 0;
}
/**************************************************************
	Problem: 1030
	User: wangchenyu
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/