[Original post location:
http://acm.tongji.edu.cn/people/ps/showproblem.php?problem_id=1001&contest_id=6]
Problem
In order to save Athena, Axus, Zilong, Ice, and Axi, you must have a golden tweet palace.
This topic contains multiple sets of data, 1 line per group.
For each group of data outputs,
16
8
Sample Output
Niu!
Ruo ...
The second one came to the Taurus Palace, and the Aridba, which was a golden bullocket, the Golden Saint Seiyou, was blocked, and finally the Seiya and Aridba had a lot of rounds, Seiya finally broke the small universe, and realized the seventh sense. And cut the Ariba's golden horn.
But Aldi is not immediately relying on the Golden Bull Palace immediately, but to test the Singapore a problem. If you can't answer it, you will not make a star. The problem is this: now gives a number n, if n can represent the form of two compacts, then N is referred to as "cattle", otherwise n is called "weak numbers". For example, 16 = 4 × 4, 4 is the same, so 16 is a "cattle". Ardib told the Starians a lot of numbers, called Starians to judge these numbers "cattle" or "weak numbers".
INPUT
Chain 1, N (1 <= n <= 2 ^ 31-1)
OUTPUT
If the number is "Number of cattle", "Niu!" Is output, otherwise "Ruo ..." is output.
Sample Input
