"""Simulate lanternfish pop growth"""

with open("6_input.txt") as f:
    fishes = [int(x) for x in f.read().split(",")]

for day in range(256):
    print(day)
    for i in range(len(fishes)):
        if fishes[i] == 0:
            fishes[i] = 6
            fishes.append(8)
        else:
            fishes[i] -= 1

print(len(fishes))