P,N = input().split()
import sys
if N == "0":
    print(P)
    exit()
    
d = [6,2,5,5,4,5,6,4,7,6]
ans = 0
if P[0] == "-":
    ans += 1
    P = P[1:]
for p in P:
    ans += d[int(p)]
if len(N) >= 4:
    N = 1000
else:
    N = int(N) - 1

def calc(S):
    tmp = 0
    while S:
        tmp += d[S % 10]
        S //= 10
    return tmp
for _ in range(N):
    ans = calc(ans)
print(ans)