Description: In the West, on Friday and the number 13 represents the bad luck, the last two unfortunate individuals are combined into a super unlucky day. So, no matter what month of the 13th also coincides with Friday called " Black Friday." Input: Year Output: to determine whether this year include Black Friday, as contained, give a specific date
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File list (Check if you may need any files):
黑色星期五.cpp
黑色星期五.dsp
黑色星期五.dsw
黑色星期五.ncb
黑色星期五.opt
黑色星期五.plg
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