fish = [int(i) for i in open("input.txt", 'r').read().split(",")]
fishies = {}
newFishies = {}

for i in range(9):
	fishies[i] = 0
	newFishies[i] = 0

for f in fish:
	fishies[f] += 1

for i in range(int(input("days: "))):
	tempFish = fishies.copy()
	fishies[6] = fishies[0]+newFishies[0]
	for j in range(6):
		fishies[j] = tempFish[j+1]
	foo = tempFish[0]
	tempFish = newFishies.copy()
	newFishies[8] = foo + newFishies[0]
	for j in range(8):
		newFishies[j] = tempFish[j+1]

summa = 0
for x in fishies:
	summa += fishies[x]
for x in newFishies:
	summa += newFishies[x]

print(summa)