






"""simple docstring"""



def 						_SCREAMING_SNAKE_CASE (    __snake_case			:  int = 1_00_00_00    ):





  '''simple docstring'''





  lowercase							    =       1
  lowercase							    =       1
  lowercase							    =       {1: 1}

  for inputa in range(2		,					SCREAMING_SNAKE_CASE_    ):
    lowercase							    =       0
    lowercase							    =       inputa

    while True:
      if number in counters:
        counter += counters[number]
        break
      if number % 2 == 0:
        number //= 2
        counter += 1
      else:
        lowercase							    =       (3 * number) + 1
        counter += 1

    if inputa not in counters:
      lowercase							    =       counter

    if counter > pre_counter:
      lowercase							    =       inputa
      lowercase							    =       counter
  return largest_number


if __name__ == "__main__":
    print(solution(int(input().strip())))





def 	snake_case__			(    SCREAMING_SNAKE_CASE_		:    str			):



     '''simple docstring'''





     if not all(x.isalpha() for x in string			):
          raise ValueError('String must only contain alphabetic characters.'			)

     lowercase__    :   Optional[int]      =       sorted(string.lower()			)
     return len(SCREAMING_SNAKE_CASE_			) == len(set(SCREAMING_SNAKE_CASE_			)			)


if __name__ == "__main__":
       snake_case_			  = input('''Enter a string ''').strip()

       snake_case_			  = is_isogram(input_str)
       print(F'''{input_str} is {'an' if isogram else 'not an'} isogram.''')

