#include<bits/stdc++.h>
using namespace std ;
#define ull unsigned long long
#define ld long double
#define ll long long
#define endl "\n"
#define sp " "
#define Ra_1 ios::sync_with_stdio(0),ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
void main_()
{
int h,t,x,cnt=0;
cin>>h>>t;
if(t>h){cout<<0;return;}
x=t;
while(x<=h)
{
x+=t;
cnt++;
}
cout<<cnt;
}
int main()
{
Ra_1
main_();
}