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Problem2398--Nice Grid

_{[Creator : ]}

Time Limit : 2.000 sec Memory Limit : 1024 MB

Print the color of the cell at the

-th row from the top and

-th column from the left in the following grid with

vertical rows and

horizontal columns.
(图片见提示)

Input is given from Standard Input in the following format

In the grid above, if the color of the cell at the

-th row from the top and

C

-th column from the left is black, then print black; if the cell is white, then print white. Note that the judge is case-sensitive.

3 5

black

AtCoder

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