#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: zhuangsongyu
	Language: C++
	Result: Accepted
	Time:12 ms
	Memory:2072 kb
****************************************************************/