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;
using System.Text;
using System.Threading.Tasks;
#if DEBUG
using Console = Atcoder.Helper.HelperConsole;
using AtcoderHelper = Atcoder.Helper.AtcoderHelper;
#endif

namespace Atcoder
{
    public class Program
    {
        public static void Main(string[] args)
        {
#if DEBUG
            var url = @"https://atcoder.jp/contests/abc141/tasks/abc141_a";
            AtcoderHelper.RunTestCases(url);
        }
        public static void Code()
        {
#endif
            const string S = "Sunny";
            const string C = "Cloudy";
            const string R = "Rainy";
            var a = Console.ReadLine();

            if(a == S) { Console.WriteLine(C); }
            if(a == C) { Console.WriteLine(R); }
            if(a == R) { Console.WriteLine(S); }
        }
    }
}