p,n=input().split()
ans=0
if n=="0":
    print(p)
else:
    if p[0]=="-":
        ans+=1
        p=p[1:]
    num=[6,2,5,5,4,5,6,4,7,6]
    memo=[]
    for i in range(10):
        for j in range(len(p)):
            ans+=num[int(p[j])]
        memo.append(ans)
        p=str(ans)
        ans=0
    if int(n)<=10:
        print(memo[int(n)-1])
    else:
        seen=[False]*(2*10**6)
        memo2=[]
        for i in range(2*10**6):
            for j in range(len(p)):
                ans+=num[int(p[j])]
            if seen[ans]==True:
                for j in range(len(memo2)):
                    if memo2[j]==ans:
                        k=j
                        break
                break
            memo2.append(ans)
            seen[ans]=True
            p=str(ans)
            ans=0
        if int(n)-10<len(memo2):
            print(memo2[int(n)-10])
        else:
            memo2=memo2[k:]
            print(memo2[(int(n)-10)%len(memo2)])