import sys
input = sys.stdin.readline

P,N=map(int,input().split())

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

    if x>=10:
        return f(x//10)+f(x%10)

    if x<0:
        return 1+f(-x)

for i in range(min(N,100)):
    P=f(P)

print(P)