import sys
import codecs


if __name__ == "__main__":
  keep = []
  for line in codecs.open(sys.argv[1]):
    keep.append(line.strip())
  
  baseform = ''
  for line in sys.stdin:
    forms = line.split(',')
    if forms[1] in keep:
      if forms[1]!=baseform:
        baseform = forms[1]
        print
      print forms[0]