#!/usr/bin/env python

import sys

import dbg

def make_lines(s):
	if not s:
		return []
	if '\n' not in s:
		return [ s ]
	i = s.index( '\n' )
	return [ s[ : i + 1 ] ] + make_lines( s[ i + 1 : ] )

def run():
	av = sys.argv[ 1 : ]
	if len( av ) < 1:
		dbg.help_exit( 'pat_file' )

	pat_lines = []
	with open( av[ 0 ], 'r' ) as f:
		pat_lines = make_lines( f.read() )

	#dbg.out( 'pat_lines={}'.format( pat_lines ) )

	buf_lines = []

	def clear():
		del buf_lines[ : ]

	def flush():
		s = ''.join( buf_lines )
		clear()
		return s

	def cnv(s):
		i = len( buf_lines )
		if s == pat_lines[ i ]:
			buf_lines.append( s )
			if len( buf_lines ) == len( pat_lines ):
				clear()
			return ''

		if buf_lines:
			s = flush() + s
		return s

	while True:
		s = sys.stdin.readline()
		if not s:
			break
		s = cnv( s )
		sys.stdout.write( s )

	sys.stdout.write( flush() )

if __name__ == "__main__":
	run()
# EOF