
'''simple docstring'''



def   _A       (   _lowerCAmelCase					):



							"""simple docstring"""



							__lowercase       	=set()
							# edges = list of graph's edges
							__lowercase       	=get_edges(__lowerCAmelCase					)

							# While there are still elements in edges list, take an arbitrary edge
							# (from_node, to_node) and add his extremity to chosen_vertices and then
							# remove all arcs adjacent to the from_node and to_node
							while edges:
														__lowercase       	=edges.pop()
														chosen_vertices.add(__lowerCAmelCase					)
														chosen_vertices.add(__lowerCAmelCase					)
														for edge in edges.copy():
																					if from_node in edge or to_node in edge:
																												edges.discard(__lowerCAmelCase					)
							return chosen_vertices



def   _A       (   _lowerCAmelCase					):



							"""simple docstring"""



							__lowercase       	=set()
							for from_node, to_nodes in graph.items():
														for to_node in to_nodes:
																					edges.add((from_node, to_node)					)
							return edges


if __name__ == "__main__":
		import doctest

		doctest.testmod()

		# graph = {0: [1, 3], 1: [0, 3], 2: [0, 3, 4], 3: [0, 1, 2], 4: [2, 3]}
		# print(f"Matching vertex cover:\n{matching_min_vertex_cover(graph)}")








'''simple docstring'''



def   _A       (   _lowerCAmelCase  ,   _lowerCAmelCase  ,   _lowerCAmelCase					):



							"""simple docstring"""



							if len(_lowerCAmelCase					) != len(_lowerCAmelCase					):
														raise ValueError('The length of profit and weight must be same.'					)
							if max_weight <= 0:
														raise ValueError('max_weight must greater than zero.'					)
							if any(p < 0 for p in profit					):
														raise ValueError('Profit can not be negative.'					)
							if any(w < 0 for w in weight					):
														raise ValueError('Weight can not be negative.'					)

							# List created to store profit gained for the 1kg in case of each weight
							# respectively.  Calculate and append profit/weight for each element.
							__lowercase       	=[p / w for p, w in zip(_lowerCAmelCase  ,   _lowerCAmelCase					)]

							# Creating a copy of the list and sorting profit/weight in ascending order
							__lowercase       	=sorted(_lowerCAmelCase					)

							# declaring useful variables
							__lowercase       	=len(_lowerCAmelCase					)
							__lowercase       	=0
							__lowercase       	=0
							__lowercase       	=0

							# loop till the total weight do not reach max limit e.g. 15 kg and till i<length
							while limit <= max_weight and i < length:
														# flag value for encountered greatest element in sorted_profit_by_weight
														__lowercase       	=sorted_profit_by_weight[length - i - 1]
														__lowercase       	=profit_by_weight.index(_lowerCAmelCase					)
														__lowercase       	=-1

														# check if the weight encountered is less than the total weight
														# encountered before.
														if max_weight - limit >= weight[index]:
																					limit += weight[index]
																					# Adding profit gained for the given weight 1 ===
																					# weight[index]/weight[index]
																					gain += 1 * profit[index]
														else:
																					# Since the weight encountered is greater than limit, therefore take the
																					# required number of remaining kgs and calculate profit for it.
																					# weight remaining / weight[index]
																					gain += (max_weight - limit) / weight[index] * profit[index]
																					break
														i += 1
							return gain


if __name__ == "__main__":
		print(
		    """Input profits, weights, and then max_weight (all positive ints) separated by """
		    """spaces."""
		)

		lowerCamelCase	 =       [int(x) for x in input("""Input profits separated by spaces: """).split()]
		lowerCamelCase	 =       [int(x) for x in input("""Input weights separated by spaces: """).split()]
		lowerCamelCase	 =       int(input("""Max weight allowed: """))

		# Function Call
		calc_profit(profit, weight, max_weight)



