P18548 [CodeChef] CODSTAN7
普及
题目描述

Ravi is very good student in mathematics and he also like Even numbers very much .

On the other hand his friend Jhon like Odd numbers . Both of them are preparing for IIT JEE Advance .One day they are solving a question together the question was Find the sum of first $n$ terms of the given series $1^2+2.2^2+3^2+2.4^2+5^2+2.6^2+...........$
If the sum is odd then Jhon will be happy and will solve 2 more questions,and Ravi will not attempt more questions. If sum is even Ravi will be happy and will solve 2 more questions and Jhon will not attempt more questions.
So Your task is to decide who will solve more questions.

-----Input:-----
- First line will contain $n$, number of terms in the given series.

-----Output:-----
Output single line "Ravi" if he solve more questions or "Jhon" if he solve more questions.

-----Constraints-----
- $1 \leq n \leq 100$

-----Sample Input:-----
2

3

-----Sample Output:-----
Jhon
Ravi

-----EXPLANATION:-----
In the first test cases sum of 2 terms is 9 (according to the given series) which is an odd number so Jhon will solve 2 more questions and Ravi will not attempt more questions.
In second test case sum of 3 terms is 18 (according to the given series) which is an even number according to the given series so Ravi will solve 3 more questions and Jhon will not attempt more questions.

输入格式

见题面

输出格式

见题面

样例输入
['2', '3']
样例输出
['Jhon', 'Ravi']