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)

const chunks = [];
process.stdin.on("data", chunk => {
  chunks.push(chunk);
});
process.stdin.on("end", () => {
  const body = Buffer.concat(chunks).toString("utf8");
  main(body.trim());
});

function main(data) {
  switch (data) {
    case "Sunny":
      console.log("Cloudy");
      break;
    case "Cloudy":
      console.log("Rainy");
      break;
    case "Rainy":
      console.log("Sunny");
      break;
  }
}