import java.util.Scanner;

public class Main
{
	public static void main(String[] args) 
	{
		Scanner	sc = new Scanner(System.in);
		String input = sc.nextLine();
		String output = "";

		if(input.equals("Sunny"))
		{
			output = "Cloudy";
		}
		else if(input.equals("Cloudy"))
		{
			output = "Rainy";
		}
		else if(input.equals("Rainy"))
		{
			output = "Sunny";
		}

		System.out.print(output);
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz