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 C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;
using System.Linq;

namespace abc141
{
    class abc141a
    {
        static string[] weathers = new string[]{ "Sunny","Cloudy","Rainy"};
        static void Main(string[] args)
        {
            var s = Console.ReadLine();
            var r = Solve(s);

            Console.WriteLine(weathers[r]);
        }

        static int Solve(string s)
        {
            var today = weathers.ToList().IndexOf(s);
            var forecast = (today + 1) % 3;

            return forecast;
        }
    }
}