#!/usr/bin/env python
import sys, os.path
from sys import argv
from os import system
from string import *

if len(argv) < 3:
        print("Usage: %s rcv1_file id_label_file" % (argv[0]))
        sys.exit(1)

file1 = argv[1]
assert os.path.exists(file1),"rcv1_file not found."

file2 = argv[2]
assert os.path.exists(file2),"id_label_file not found."

id_label = [y.split() for y in [x.strip() for x in open(file2,'r')]]

dict = {}
for list in id_label:
	dict[list[0]] = list[1:]

data = open(file1,'r')

for line in data:
	x = line.split()
	if x[0] in dict:
		ls = dict[x[0]]
	else:
		ls = []
	print("%s  %s"%(','.join(ls), ' '.join(x[1:])))
data.close()