The first line of a multiple input is an integer N, then a blank line followed by N input blocks. Each input block is in the format indicated in the problem description. There is a blank line between input blocks.的翻译：正在翻译，请等待... 什么意思？中文翻译英文，英文翻译中文，怎么说？

最重要多输入是整数N，然后N输入块跟随的空白行。每个输入块以在问题说明表明的格式。有空白行在输入块之间。