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.Collections.Generic;
using System.Linq;

namespace AtCoder
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> cycle = new List<string> { "Sunny", "Cloudy", "Rainy", "Sunny" };
            Dictionary<string, int> weatherName = new Dictionary<string, int>
            {
                { "Sunny", 0 },
                { "Cloudy", 1 },
                { "Rainy",2 }
            };
            string today = Console.ReadLine();
            Console.WriteLine(cycle[weatherName[today] + 1]);
        }

    }
}