"""



"""

import sys
from sys import stdin

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

def f(x):

    ret = 0
    if x < 0:
        ret += 1
        x *= -1
    
    while x > 0:
        ret += lis[x % 10]
        x //= 10

    return ret

P,N = map(int,stdin.readline().split())

while not(4 <= P <= 6) and N > 0:
    P = f(P)
    N -= 1

print (P)