persons = dict()

while True:
	try:
		person, product, count = input().split(" ")
		count = int(count)
	except: break

	if persons.get(person, None) is None:
		persons[person] = dict()

	if persons[person].get(product, None) is None:
		persons[person][product] = 0

	persons[person][product] += count

p = list(persons.keys())
p.sort()

for a in p:
	print("{}:".format(a))
	l = list(persons[a].keys())
	l.sort()
	for d in l:
		print("{} {}".format(d, persons[a][d]))