P,N=input().split()
if N=='0':
  print(P)
  exit()
X=[6,2,5,5,4,5,6,4,7,6]
def f(x):
  if x[0]=='-':
    return 1+f(x[1:])
  r=0
  for i in range(len(x)):
    r+=X[int(x[i])]
  return r

if len(N)<=2:
  N=int(N)
  for i in range(N):
    P=str(f(P))
  print(P)
  exit()
for i in range(100):
  P=str(f(P))
print(P)