#!/usr/bin/python
import re
import string
import sys

segments = []
indentlevel = -1
blanks = re.compile('^( *)(.*)$')
pat = re.compile('.*' + sys.argv[1] + '.*')
for line in sys.stdin.readlines():
    hd, file = blanks.match(line).groups()
    l = len(hd)
    if l == indentlevel:
        segments[-1] = file
    elif l > indentlevel:
        segments.append(file)
    elif l < indentlevel:
        del(segments[-(indentlevel-l):])
        segments[-1] = file
    indentlevel = l
    fname = string.join(segments, '')
    if pat.match(fname):
        print fname