output_description: Print a string representing the expected weather tomorrow, in the same format
  in which input is given.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      S
attempt: #!/usr/bin/env python3
  # %% for atcoder uniittest use
  import sys
  
  input = lambda: sys.stdin.readline().rstrip()
  sys.setrecursionlimit(10**9)
  
  
  def pin(type=int):
      return map(type, input().split())
  
  
  def tupin(t=int):
      return tuple(pin(t))
  
  
  def lispin(t=int):
      return list(pin(t))
  
  
  # %%code
  
  
  def resolve():
      S = input()
      W = ["Sunny", "Cloudy", "Rainy"]
      if S == S[0]:
          print(W[1])
      elif S == S[1]:
          print(W[2])
      else:
          print(W[0])
      # %%submit!
  
  
  resolve()
  
problem_description: 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.
samples: [{"input": "Sunny", "output": "Cloudy\n    \n\nIn Takahashi's town, a sunny day is followed by a cloudy day.\n\n* * *"}, {"input": "Rainy", "output": "Sunny"}]