import sys
import itertools

class Library:
    def __init__(self, lib_array):
        self.count = lib_array[0]
        self.signup = lib_array[1]
        self.books_per_day = lib_array[2]
        self.all_books = lib_array[3]

        precomputed_arr = []
        self.all_books.sort()
        for i in range(0, self.all_books.size(), self.books_per_day):
            precomputed_arr.append(sum(self.all_books[i:(self.books_per_day + i)]))

        self.precomputed_score  = precomputed_arr
    def __repr__(self):
        return [self.count, self.signup, self.books_per_day, self.all_books, self.precomputed_score]
    def __repr__(self):
        return str([self.count, self.signup, self.books_per_day, self.all_books, self.precomputed_score])

class Book:
    def __init__(self, index, score):
        self.index = index
        self.score = score

def read_library_data(filename):
    with open(filename, "r") as f:
        firstline =  f.readline()
        general = firstline.split()
        books = general[0]
        libraries = general[1]
        days_for_scanning = general[2]

        book_scores = f.readline() #todo

        library_array = []
        for lib in f:
            lib_array = lib.split()
            books_in_lib = next(f)
            books_in_library = books_in_lib.split()
            lib_array.append(books_in_library)
            library_array.append(Library(lib_array))
        print library_array

if __name__ == "__main__":
    read_library_data(sys.argv[1])