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 Go (1.6) (judge verdict: Accepted)

package main

import "fmt"

func main() {
	var num int
	var n string
	fmt.Scanf("%s",&n)
	
	weathers := [3]string{"Sunny","Cloudy","Rainy"}
	
	for i:=0; i < len(weathers); i++ {
		if weathers[i] == n {
			num = i
			break
		}
	}
	num = (num + 1) % len(weathers)
	
	fmt.Printf("%s",weathers[num])
}