p, n = map(int, input().split())


def f(x):
    if x == 0:
        return 6
    if x == 1:
        return 2
    if x == 2:
        return 5
    if x == 3:
        return 6
    if x == 7:
        return 4
    if x == 8:
        return 7
    if x == 9:
        return 6
    return x


for i in range(min(10000, n)):
    newp = 0
    if p < 0:
        newp += 1
        p *= -1
    s = str(p)
    for c in s:
        newp += f(int(c))
    p = newp

print(p)