import java.io.*;
import java.util.*;

public class Pacs
{	public static void main( String args[] ) throws Exception
	{	BufferedReader memberToPacsFile = new BufferedReader(new FileReader( "member2Pacs.txt"));
		BufferedReader AllPacsFile= new BufferedReader(new FileReader("allPacs.txt"));
		TreeSet<String> allPacs= new TreeSet<String>();
		while( AllPacsFile.ready())
			allPacs.add(AllPacsFile.readLine());			
		
		TreeMap<String, TreeSet<String>> pacToMembers = new TreeMap<String, TreeSet<String>>(); // THE MAP THAT GETS PRINTED	
		
		POPULATE THE TREE MAP ABOVE

		NOw PRINT THAT MAP (see output)
	} // END MAIN
} // CLASS