n = 10**6
r = 10**8
ans = []
ans.append([r, 0])
import math
for i in range(1, n):
  a,b = ans[0]

  d_rad = math.radians((360 * i)/n)
  a_rotated = a * math.cos(d_rad) - b * math.sin(d_rad)
  b_rotated = a * math.sin(d_rad) + b * math.cos(d_rad)
  ans.append([a_rotated, b_rotated])

print(len(ans))
for a,b in ans:
  print(a,b)