Score : $100$ points
Takahashi is wearing white now.
He wears black on the day after he wears white, and he wears white on the day after he wears black.
What color will he wear $N$ days later?
Input is given from Standard Input in the following format:
If he will wear white $N$ days later, print
White; if he will wear black, print
Takahashi will wear black one day later and wear white two days later.