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제대.

-제에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에에대

 무한을 어떻게 표현하나요??