import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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
	{
		final String regex = "(?:\\.*([A-Z0-9]+)|\\G(?!\\A))(?:\\h+\\|\\h+|$)";
		final String string = "ABCDEFG | .ABCDEF | ..ABCDE | ...ABCD | ....ABC | .....AB";
 
		final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
		final Matcher matcher = pattern.matcher(string);
 
		while (matcher.find()) {
			if (matcher.group(1) != null) {
		        System.out.println(matcher.group(1));
			}
		}
	}
}

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