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) {
    var S = input.trim();

    var weather = [
        "Sunny",
        "Cloudy",
        "Rainy"
    ];

    var index = weather.indexOf(S);

    var tomorrowIndex = weather.length - 1 === index ? 0 : index + 1;
    console.log(weather[tomorrowIndex]);
}

main(require("fs").readFileSync("/dev/stdin", "utf8"));