#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int r, k;
  cin >> r >> k;
  k++;
  vector<double> ans;
  for(int i = 1; 2 * i < k; i++) {
    double s = M_PI * double(i) / k;
    double l = 0, r = 1;
    while(true) {
      double x = (l + r) / 2;
      if (!(l < x && x < r)) break;
      double y = sqrt(1 - x * x);
      double t = acos(x);
      double now = t - x * y;
      (now >= s ? l : r) = x;
    }
    ans.emplace_back(l);
  }
  int sz = ans.size();
  if (k % 2 == 0) ans.emplace_back(0);
  rrep(i, sz) ans.emplace_back(-ans[i]);
  reverse(all(ans));
  cout << fixed << setprecision(12);
  for(double l : ans) cout << l * r << '\n';
}