seg_cnt = [6, 2, 5, 5, 4, 5, 6, 4, 7, 6]

def f(x):
    if x == 0:
        return 6
    ret = 0
    if x < 0:
        x = -x
        ret += 1
    while x:
        x, d = divmod(x, 10)
        ret += seg_cnt[d]
    return ret

P, N = map(int, input().split())
N = min(N, 100)
for _ in range(N):
    P = f(P)
    if 4 <= P <= 6:
        break
print(P)