p,n = map(int, input().split())
a = [6,2,5,5,4,5,6,4,7,6]

m = min(n,1000)
for i in range(m):
  t = 0
  if p < 0:
    t += 1
    p *= -1
  while p > 0:
    t += a[p % 10]
    p //= 10
  p = t
print(p)