Question
讞讜讚砖 谞拽专讗 讞讜讚砖 诪注谞讙 讗诐 讬砖 讘讜 `5` 砖讘转讜转. 诪讛讜 讛诪住驻专 讛讙讚讜诇 讘讬讜转专 砖诇 讞讜讚砖讬诐 诪注谞讙讬诐 砖讬讻讜诇 诇讛讬讜转 讘砖谞讛? 诪讚讜讘专 讘讞讜讚砖讬诐 砖诇 诇讜讞 讛砖谞讛 讛诇讜注讝讬. 讘讻诇 讞讜讚砖 讬砖 诇驻讞讜转 `28` 讬诪讬诐, 讗讱 诇讗 讬讜转专 诪-`31`. 讘砖谞讛 讬砖 `365` 讗讜 `366` 讬诪讬诐. 讛砖谞讛 讬讻讜诇讛 诇讛转讞讬诇 讘讻诇 讬讜诐 讘砖讘讜注.
Sources:
- Israeli IMO Selection, 2014, Stage A Question 7
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