# Input: list of numbers
# Output: each step, each number changes simultaneously:
#           if 0, then replaced by 1
#           else if even number of digits, then split (e.g. 1000 -> 10 0)
#           else multiplied by 2024
#         how many numbers after 25 steps?

numbers = []

file = open("11_input.txt", "r")
for line in file:
  line = line.replace("\n", "")
  for word in line.split(" "):
    numbers.append(int(word))

for step in range(25):
  new_numbers = []
  for number in numbers:
    if number == 0:
      new_numbers.append(1)
      continue
    word = str(number)
    if len(word) % 2 == 0:
      half_length = int(len(word) / 2)
      new_numbers.append(int(word[:half_length]))
      new_numbers.append(int(word[half_length:]))
      continue
    new_numbers.append(number * 2024)
  numbers = new_numbers

print (len(numbers))