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 PHP7 (7.0.15) (judge verdict: Wrong Answer)

<?php
  $str = trim(fgets(STDIN));
  $arr = ["Sunny","Cloudy","Rainy"];
  if($str==$arr[0]) {
    echo $arr[1];
  }
  elseif($str==$srr[1]) {
  	echo $arr[2];
  }
  else {
   echo $arr[0];
  }