from math import pi, sin, cos

r, k = map(int, input().split())

ANS = []
for i in range(1, k // 2 + 1):
    area = 2 * i * pi / (k + 1)
    left, right = 0, pi
    for _ in range(60):
        mid = (left + right) / 2
        res = mid - sin(mid)
        if res >= area:
            right = mid
        else:
            left = mid
    ANS.append(-r * cos(right / 2))
ANS1 = [-ele for ele in ANS]
if k % 2 == 1:
    ANS = ANS + [0] + ANS1[::-1]
else:
    ANS = ANS + ANS1[::-1]
print(*ANS, sep='\n')