with open("sample.txt") as f:
	fish = [int(n) for n in f.read().split(',')]

def advance(fish):
	tomorrow = []
	spawn = 0
	for f in fish:
		if f == 0:
			tomorrow.append(6)
			spawn += 1
		else:
			tomorrow.append(f-1)
	for i in range(spawn):
		tomorrow.append(8)
	return tomorrow

def part1(fish):
	for i in range(80):
		fish = advance(fish)
	return len(fish)

print(part1(fish))

## TOO LONG
# def part2(fish):
# 	for i in range(256):
# 		fish = advance(fish)
# 	return len(fish)

# print(part2(fish))