import math
t=2.07079632677096370230
sin1=math.sin(1)
cos1=math.cos(1)
n=int(input())
if n==0:
  print(t)
else:
  t-=1
  r=sin1
  for i in range(n-1):
    print(r)
    t-=r
    r=(i+1)/(i+2)*(cos1*r+sin1*(1/(i+1)**2-r**2)**0.5)
  print(t)