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The input ends when you encounter EOF.

Posted by frkstyc at 2007-09-09 16:55:46 on Problem 3372
In Reply To:输入多少条数据呀。怎么知道输入有没有结束呀。 Posted by:teal at 2007-09-09 16:54:52
> Sample Input
> 
> 
> 2
> 3 
> 4
> 
> Sample Output
> 
> 
> YES
> NO
> YES

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