






lowerCamelCase       :       Tuple        =				{'''a''': ['''c''', '''b'''], '''b''': ['''d''', '''e'''], '''c''': [], '''d''': [], '''e''': []}
lowerCamelCase       :       int        =				['''a''', '''b''', '''c''', '''d''', '''e''']
def 					snake_case_						(   lowerCAmelCase_				:  Optional[int]				,				lowerCAmelCase_				:  str				,				lowerCAmelCase_				:  List[Any]					):
							__lowercase					:							Dict			=   start
							# add current to visited
							visited.append(lowerCAmelCase_					)
							__lowercase					:							Dict			=   edges[current]
							for neighbor in neighbors:
														# if neighbor not in visited, visit
														if neighbor not in visited:
																					__lowercase					:							List[Any]			=   topological_sort(lowerCAmelCase_				,				lowerCAmelCase_				,				lowerCAmelCase_					)
    # if all neighbors visited add current to sort
							sort.append(lowerCAmelCase_					)
							# if all vertices haven't been visited select a new one to visit
							if len(lowerCAmelCase_					) != len(lowerCAmelCase_					):
														for vertice in vertices:
																					if vertice not in visited:
																												__lowercase					:							Tuple			=   topological_sort(lowerCAmelCase_				,				lowerCAmelCase_				,				lowerCAmelCase_					)
    # return sort
							return sort


if __name__ == "__main__":
	lowerCamelCase       :       Any        =				topological_sort('''a''', [], [])
	print(sort)







from itertools import permutations
def 					snake_case_						(   lowerCAmelCase_				:  tuple					):
							if num[3] % 2 != 0:
														return False

							if (num[2] + num[3] + num[4]) % 3 != 0:
														return False

							if num[5] % 5 != 0:
														return False

							__lowercase					:							Dict			=   [7, 11, 13, 17]
							for i, test in enumerate(lowerCAmelCase_					):
														if (num[i + 4] * 100 + num[i + 5] * 10 + num[i + 6]) % test != 0:
																					return False
							return True
def 					snake_case_						(   lowerCAmelCase_				:  int = 10					):
							return sum(
							    int("""""".join(map(lowerCAmelCase_				,				lowerCAmelCase_					)					)					)
							    for num in permutations(range(lowerCAmelCase_					)					)
							    if is_substring_divisible(lowerCAmelCase_					)					)


if __name__ == "__main__":
	print(f'''{solution() = }''')