SP7335 KULE - Spheres

Description

[English version](/problems/KULE/english/) [Wersja polska](/problems/KULE/polski/)John has a certain number of spheres. Almost all of them have identical weight apart from one. There are a lot of them and John cannot say which one differs from the other ones by himself. You can help him to determine which sphere it is by using the pair of scales.

Input Format

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Output Format

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