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:
        return f(x // 10) + f(x % 10)
    return 1 + f(-x)

P,N = list(map(int,input().split()))
N = min(6,N)
ans = P
for i in range(N):
    ans = f(ans)
print(ans)