from ctypes import *
import random


if __name__ == '__main__':
    bfs = str(random.randint(100000000000000000000000000, 1000000000000000000000000000000000))
    print(bfs)

    length = len(bfs)
    digits_count = {}
    for digit in range(10):
        digits_count[digit] = bfs.count(str(digit))
    del bfs

    buf = c_buffer(length)
    buf_pointer = 0
    for digit in range(10):
        for i in range(digits_count[digit]):
            buf[buf_pointer + i] = str(digit).encode('UTF-8')
        buf_pointer += digits_count[digit]

    print(string_at(addressof(buf)))