/* 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 s = "###### Heading6 Something here\r\n" +
		           "###### More text \r\n" +
		           "###Heading 3 text";
		Matcher m = Pattern.compile("(?m)^#{6}(?!#)(.*)").matcher(s);
		String result = m.replaceAll("<b>$1</b>");
		System.out.println(result);
 
	}
}

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