class MutliKeyDict(dict):
    """
    New Multi Key dict for this application, inherits 'dict'
    """
    def __setitem__(self, key, value): # Overwrites the default __setitem__
        try:
            self[key]
        except KeyError: # If there is a key error (like we append the same season num twice)
            super(MutliKeyDict, self).__setitem__(key, []) # Make that value a list insted,
        self[key].append(value) # Append that new list and save

def pharse_shows(file_location):
    result = MutliKeyDict()
    try:
        with open(file_location) as f:
            for line in f:
                season = line.strip("\n")
                title = next(f).strip("\n")
                result[season] = title
    except StopIteration:
        print('Error pharsing last value, odd number of lines in file?')
    return(result)

def save_output_keys(showdict):
    result = '' # Set the result to a blank string
    showdict = dict(sorted(showdict.items())) # Sort the dict by key
    
    for entry in showdict: # For every dict entry in our show dict
        result += '{0}: '.format(int(entry)) # Append a new line to represent that entry season count
        if isinstance(showdict[entry], list): # If the entry is a list of shows
            for show in showdict[entry]: # for very entry in that list of shows
                result += '{0}; '.format(show) # append that show, and a ";"
            result = result[:-2] + '\n' # Chop the last ";", ugly but it works. Also add carriage return
        else: # If the entry is not a list
            result += '{0}'.format(showdict[entry])
    
    with open('output_keys.txt', 'w') as f:
        f.write(result)

def save_output_titles(showdict):
    result = [] # Set the result to a blank list
    for entry in showdict: # For every dict entry in our show dict
        if isinstance(showdict[entry], list): # If the entry is a list of shows
            for show in showdict[entry]: # for every entry in that list of shows
                result.append(show) # Append that show to our result list
        else: # If the entry is not a list
            result.append(showdict[entry]) # Append the result directly
    
    result.sort() # Sort the list

    resultstring = '' # Setup a new blank result string
    for item in result: # Convert list to stirng, with \n
        resultstring += str(item) + '\n'
    
    with open('output_titles.txt', 'w') as f:
        f.write(resultstring)

if __name__ == '__main__':
    showdict = pharse_shows(input())
    save_output_keys(showdict)
    save_output_titles(showdict)