filename = input()

f = open(filename, 'r')
data = f.readlines()
f.close()

dictionary = {}
list_of_values =[]

for i in range(len(data)):
    data[i] = data[i].strip()


for i in range(0, len(data), 2):
    list_of_values.append(data[i+1])
    if data[i] in dictionary:
        dictionary[data[i]] = "{}; {}".format((dictionary[data[i]]),data[i+1])
    else:
        dictionary[data[i]] = data[i+1]


f = open('output_keys.txt', 'w')

for item in sorted(dictionary.items()):
    f.write(str(item[0])+': '+item[1]+'\n')

f.close()

f = open('output_titles.txt', 'w')

list_of_values.sort()

for each in list_of_values:
    f.write(each+'\n')

f.close()