#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <map>
#include <set>
#include <algorithm>
#include <functional>
#include <iostream>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cctype>
#include <string>
#include <cstring>

using namespace std;

typedef long long ll;


int main() {
  ll d, w;
  cin >> w >> d;
  for (ll i = d; i >= 1; i--) {
    if (i == 1) {
      cout << w/(i*i) << endl;
    }
    w -= w/(i*i);
  }
}