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)

namespace ABC141.A
{
    using System;
    using static System.Console;

    public class Program
    {
        public static void Main(string[] args)
        {
            WriteLine(Solve(ReadLine()));
        }

        public static string Solve(string weather)
        {
            switch (weather)
            {
                case "Sunny": return "Cloudy";
                case "Cloudy": return "Rainy";
                case "Rainy": return "Sunny";
                default:
                    throw new ArgumentException($"{nameof(weather)} must be a weather");
            }
        }
    }
}