/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String test = "Happy{{Sad}Blue{{Red}Green}}Purple"; 
		Matcher m = Pattern.compile(test.replace("{", "\\{(").replace("}", ")\\}")).matcher(test);
		m.find();
		for (int i = 1; i <= m.groupCount(); i++) {
		    System.out.println(m.group(i));
		}
	}
}

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