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: # -*- coding: utf-8 -*-
  
  
  import sys
  
  
  def input():
      return sys.stdin.readline().strip()
  
  
  def list2d(a, b, c):
      return [[c] * b for i in range(a)]
  
  
  def list3d(a, b, c, d):
      return [[[d] * c for j in range(b)] for i in range(a)]
  
  
  def list4d(a, b, c, d, e):
      return [[[[e] * d for j in range(c)] for j in range(b)] for i in range(a)]
  
  
  def ceil(x, y=1):
      return int(-(-x // y))
  
  
  def INT():
      return int(input())
  
  
  def MAP():
      return map(int, input().split())
  
  
  def LIST(N=None):
      return list(MAP()) if N is None else [INT() for i in range(N)]
  
  
  def Yes():
      print("Yes")
  
  
  def No():
      print("No")
  
  
  def YES():
      print("YES")
  
  
  def NO():
      print("NO")
  
  
  sys.setrecursionlimit(10**9)
  INF = float("inf")
  MOD = 10**9 + 7
  
  S = input()
  
  if S == "Sunny":
      print("Cloudy")
  elif S == "Cloudy":
      print("Rainy")
  else:
      print("Sunny")
  
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"}]