import sys
D ={ i:0 for i in range(9) }
for l in list(map(int,sys.stdin.read().split(","))):
	D[l]+=1
for i in range(int(sys.argv[1])): # 80 then 256
	D = { i-1:D[i] for i in range(9) }
	D[6] += D[-1]
	D[8] = D[-1]
print(sum(D[i] for i in range(9)))