import codecs

print("Write count of inputed files\n")
count_of_files = int(input())

dictionary = []
for i in range(1, count_of_files + 1):
    print("Write path to the " + str(i) + " inputed file\n")
    if i == 1:
        print("Example of path: \"/home/username/folder/example.txt\"\n")
    path = str(input())
    with codecs.open(path, "r", "utf-8") as ifs:
        for line in ifs:
            items = line.split()
            for item in items:
                if dictionary.count(item) == 0:
                    dictionary.append(item)

dictionary.sort()

print("Write path to the folder where need to save a dictionary\n")
print("Example of path: \"/home/username/folder/\"\n")
path = str(input())
with codecs.open(path + "dictionary.txt", "w", "utf-8") as ofs:
    for word in dictionary:
        ofs.write("%s\n" % word)