text: '''
  Statement
  As a future athlete you just started your practice for an upcoming event. On the first day you run x miles, and by the day of the event you must be able to run y miles.
  
  Calculate the number of days required for you to finally reach the required distance for the event, if you increases your distance each day by 10% from the previous day.
  
  Print one integer representing the number of days to reach the required distance.
  
  Example input
  10
  30
  
  Example output
  13
  '''
  start = int(input())
  goal = int(input())
  day = 1
  
  while start < goal:
      start += start * 0.1
      day += 1
  
  print(day)
  