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 JavaScript (node.js v5.12) (judge verdict: Accepted)

function Main(input) {
	input =  input.split("\n");
	var turn = ['Sunny','Cloudy','Rainy'];
	var nextnum = 0;

  	for (var i = 0; i < turn.length; i++){
		if (input[0] === turn[i]) {
			nextnum = i + 1;
			if (nextnum === turn.length) {
				nextnum = 0;
			}
			break;
		}
	}
	
	console.log(turn[nextnum]);
}
//*この行以降は編集しないでください（標準入出力から一度に読み込み、Mainを呼び出します）
Main(require("fs").readFileSync("/dev/stdin", "utf8"));