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;
using System.Collections.Generic;

namespace A
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(Run(args));
        }

        private static string Run(string[] args)
        {
            var s = Console.ReadLine();
            switch (s)
            {
                case "Sunny":
                    return "Cloudy";
                case "Cloudy":
                    return "Rainy";
                case "Rainy":
                    return "Sunny";
                default:
                    return "";
            }
        }
    }
}