#include <iostream>
#include <vector>
#include <map>
#include <algorithm>
using namespace std;

#define REP(i,s,e) for (i = s; i <= e; i++)
#define rep(i,n) REP (i,0,(int)(n)-1)
#define RREP(i,s,e) for (i = s; i >= e; i--)
#define rrep(i,n) RREP (i,(int)(n)-1,0)

const int INF = 1e8;
const int MOD = 1e9+7;

typedef long long ll;

int main(void) {
    int a, b;
    cin >> a >> b;
    cout << a / b + 1 << endl;
    return 0;
}