text: import math
  p = 10000
  
  
  def f(x):
      return math.exp(-(x ** 2) / 2)
  
  
  def qjf(x_min=1.0, x_max=10000):
      ans = 0
      for x in range(p):
          now_x = x_min + x / p * (x_max - x_min)
          ans += 1/p * f(now_x)
      return ans
  
  
  for i in range(p):
      if qjf(x_min=i*100/p) / ((math.pi * 2) ** 0.5) - math.exp(-((i*100/p) ** 2) / 2) > 0:
          print('NO')
  print('YES')
  