#55000: c++解
#include <bits/stdc++.h>
using namespace std;
int main() {
int a,b;
cin>>a>>b;
cout<<(a+b-1)/b<<endl;
}
#include <bits/stdc++.h>
using namespace std;
int main() {
int a,b;
cin>>a>>b;
cout<<(a+b-1)/b<<endl;
}