#!/usr/bin/python

import sys

# guard
if len(sys.argv) != 2:
  print "Syntax: "+sys.argv[0]+" namefile"
  sys.exit(1)

# vars
filename = sys.argv[1]
dummy_value = 42

# read file
def read_list (file):
  names = {}
  fh = open(file, "r")
  lines = fh.readlines()
  for line in lines:
    name = line.strip()
    names[name] = dummy_value
  return names

names = read_list(filename)

for name in names.keys():
  print name