#include<bits/stdc++.h>
using namespace std;
int main() { 
  int m,n;
  cin>>m>>n;
  if (m%n==0) cout<<m/n;
  else cout<<m/n+1;
    return 0;
}
/**************************************************************
	Problem: 1030
	User: wangyousi
	Language: C
	Result: Compile Error
****************************************************************/