#!/usr/bin/env python

import sys
import os
import six
import re

pat_lst = []

def init():
	lst = [
		r'^# *include +(.*)$',
		r'^@ *include +(.*)$',
		r'^@ *inc +(.*)$',
		r'^@(.*)$',
	]
	pat_lst.extend( list( map( re.compile, lst ) ) )

def cut_quote(s):
	if s and len( s ) >= 2:
		for q in ( "''", '""', '<>' ):
			if s[ 0 ] == q[ 0 ] and s[ -1 ] == q[ -1 ]:
				return s[ 1 : -1 ]
	return s

paths = [ '-' ]

is_dbl_paths = lambda : paths[ -1 ] in paths[ : -1 ]

def inc_text(s):
	path = None
	for p in pat_lst:
		if p.match( s ):
			path = cut_quote( p.sub( r'\1', s ) )
			break
	if path == None:
		return None

	path_lst = [ path ]
	if not path.startswith( '/' ):
		path_lst.append( os.path.join( os.path.split( __file__ )[ 0 ], path ) )

	r = False
	for path in path_lst:
		if os.path.exists( path ):
			with open( path, 'rb' ) as f:
				try:
					r = f.read().decode( 'utf-8' )
					paths.append( path )
				except:
					pass
			break
	return r

def err(s, i):
	sys.stderr.write( 'err {}, {} L{}\n'.format( s, paths[ -1 ], i+1 ) )
	sys.exit( 1 )

cut_tail_nl = lambda s: s[ : -1 ] if s and s[ -1 ] == '\n' else s

def inc_exp(s):

	def inc_exp_line(i_s):
		(i, s) = i_s
		r = inc_text( s )
		if r == False:
			err( s, i )
		if r != None:
			s = ''
			if not is_dbl_paths():
				s = inc_exp( cut_tail_nl( r ) )
			paths.pop()
		return s

	return '\n'.join( map( inc_exp_line, enumerate( s.split( '\n' ) ) ) )

if __name__ == "__main__":
	init()

	f = sys.stdin if six.PY2 else sys.stdin.buffer
	s = f.read().decode( 'utf-8' )

	s = inc_exp( s )

	f = sys.stdout if six.PY2 else sys.stdout.buffer
	f.write( s.encode( 'utf-8' ) )
# EOF