#include<bits/stdc++.h>
using namespace std;
using ll = long long int;
vector<ll> D = {6,2,5,5,4,5,6,4,7,6};
ll f(ll x){
    if(x < 0) return 1 + f(-x);
    if(x < 10) return D[x];
    return f(x / 10) + f(x % 10);
}
int main(){
    string P,n;
    ll N;
    cin >> P >> n;
    if(n.size() > 1) N = 6;
    else N = min(stoi(n),6);
    if(N == 0){
        cout << P << endl;
        return 0;
    }
    ll A = 0;
    for(ll i = 0;i < P.size();i++){
        if(P[i] == '-') A++;
        else A += D[P[i] - '0'];
    }
    N--;
    for(ll i = 0;i < N;i++) A = f(A);
    cout << A << endl;
}