require 'pp'

def gets; ARGF.gets; end

class Solver

  def initialize
  end

  def main
    s = gets.chomp

    if s == "Sunny"
      puts "Cloudy"
    elsif s == "Cloudy"
      puts "Rainy"
    else
      puts "Sunny"
    end
  end
end

if __FILE__ == $0
  Solver.new.main
end
