Problem:
Score: 100 points

Problem Statement

The weather in Takahashi's town changes day by day, in the following cycle: Sunny, Cloudy, Rainy, Sunny, Cloudy, Rainy, ...

Given is a string S representing the weather in the town today. Predict the weather tomorrow.

Constraints

S is Sunny, Cloudy, or Rainy.

Input

Input is given from Standard Input in the following format:

S

Output

Print a string representing the expected weather tomorrow, in the same format in which input is given.

Sample Input 1

Sunny

Sample Output 1

Cloudy

In Takahashi's town, a sunny day is followed by a cloudy day.

Sample Input 2

Rainy

Sample Output 2

Sunny

Solution in Ruby (2.3.3) (judge verdict: Wrong Answer)

s = gets.chomp.split('')
odd = []
even = []
s.count.times do |i|
  if (i % 2) === 0
    odd << s[i]
  else
    even << s[i]
  end
end

unless odd.include?("L") || even.include?("R")
  puts 'Yes'
else
  puts 'No'
end