import sys
from tqdm import tqdm

def main(input):
    input_list: list = input.split(" ")
    for i in tqdm(range(25)):
        new_stones = []
        for num in input_list:
            if num == '0':
                new_stones.extend(["1"])
            elif len(num) % 2 == 0:
                half = len(num) // 2
                left_half = str(int(num[:half]))
                right_half = str(int(num[half:]))
                
                new_stones.extend([left_half, right_half])
            else:
                new_stones.extend([str(int(num)*2024)])
        input_list = new_stones
    print(len(input_list))


if __name__ == "__main__":
    input_text = sys.stdin.read().strip()
    main(input_text)