p,n = input().split()

if len(n) > 1:
    n = 10
else:
    n = int(n)
base = [6,2,5,5,4,5,6,4,7,6]
def f(x):
    if len(x) < 2:
        return str(base[int(x)])

    if x[0] == "-":
        return str(1 + int(f(x[1:])))

    ans = 0
    for i in range(len(x))[::-1]:
        ans += int(f(x[i]))
    return str(ans)

for i in range(n):
    p = f(p)
print(p)