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.chars

(0..s.size).each do |i|
  if i % 2 == 0
    if s[i] == "L"
      puts "No"
      exit
    end
  else
    if s[i] == "R"
      puts "No"
      exit
    end
  end
end

puts "Yes"