R, K = gets.split.map(&:to_i)

def f(c, r)
  r * r * Math.acos(c / r.to_f) - c * Math.sqrt(r ** 2 - c ** 2)
end

S = R * R * Math::PI
ans = []

(K / 2).times do |i|
  s = S * (i + 1) / (K + 1)

  ok = 0
  ng = R.to_f
  loop_cnt = 100

  loop_cnt.times do
    c = (ok + ng) / 2.0

    if f(c, R) >= s
      ok = c
    else
      ng = c
    end
  end

  ans << ok
  ans << -ok
end

ans << 0 if K.odd?
ans.sort!

puts ans