
def 				lowerCamelCase__				(						a__  :  int = 10**6     )		->	int:

       if n <= 0:
              raise ValueError("""Please enter an integer greater than 0"""     )

       UpperCamelCase_							       =       list(range(n + 1     )     )
       for number in range(2	,      n + 1     ):
              if phi[number] == number:
                     phi[number] -= 1
                     for multiple in range(number * 2	,      n + 1	,      a__     ):
                            UpperCamelCase_							       =       (phi[multiple] // number) * (number - 1)

       UpperCamelCase_							       =       1
       for number in range(1	,      n + 1     ):
              if (answer / phi[answer]) < (number / phi[number]):
                     UpperCamelCase_							       =       number

       return answer


if __name__ == "__main__":
      print(solution())





def 				lowerCamelCase__				(						a__  :  dict	,      a__  :  int     )		->	Optional[Any]:
       if not root or root not in binary_tree_mirror_dictionary:
              return
       UpperCamelCase_       ,				UpperCamelCase_							       =       binary_tree_mirror_dictionary[root][:2]
       UpperCamelCase_							       =       [right_child, left_child]
       binary_tree_mirror_dict(a__	,      a__     )
       binary_tree_mirror_dict(a__	,      a__     )




def 				lowerCamelCase__				(						a__  :  dict	,      a__  :  int = 1     )		->	dict:
       if not binary_tree:
              raise ValueError("""binary tree cannot be empty"""     )
       if root not in binary_tree:
              UpperCamelCase_							       =       f'''root {root} is not present in the binary_tree'''
              raise ValueError(a__     )
       UpperCamelCase_							       =       dict(a__     )
       binary_tree_mirror_dict(a__	,      a__     )
       return binary_tree_mirror_dictionary


if __name__ == "__main__":
      _A	  =					{1: [2, 3], 2: [4, 5], 3: [6, 7], 7: [8, 9]}
      print(F'''Binary tree: {binary_tree}''')
      _A	  =					binary_tree_mirror(binary_tree, 5)
      print(F'''Binary tree mirror: {binary_tree_mirror_dictionary}''')



