D = [6,2,5,5,4,5,6,4,7,6]
def f(x):
    if 0 <= x and x < 10:
        return D[x]
    if 10 <= x:
        r = 0
        s = str(x)
        for i in s:
            r += f(int(i))
        return r
    return 1 + f(-x)

P,N = list(map(int,input().split()))

assert -10**200000 <= P <= 10**200000
assert 0 <= N <= 10**200000

N = min(30,N)
ans = P
for i in range(N):
    ans = f(ans)
print(ans)