#include <bits/stdc++.h>
#include <atcoder/modint>
using namespace std;
using namespace atcoder;
//#pragma GCC optimize("Ofast")
#define reps(i,s,n) for(int i = s; i < n; i++)
#define rep(i,n) reps(i,0,n)
#define Rreps(i,n,e) for(int i = n - 1; i >= e; --i)
#define Rrep(i,n) Rreps(i,n,0)
#define ALL(a) a.begin(), a.end()

using ll = long long;
using vec = vector<ll>;
using mat = vector<vec>;

ll N,M,H,W,Q,K,A,B;
string S;
using P = pair<ll, ll>;
using tp = tuple<ll, ll, ll>;
const ll INF = (1LL<<60);

template<class T> bool chmin(T &a, const T b){
    if(a > b) {a = b; return true;}
    else return false;
}
template<class T> bool chmax(T &a, const T b){
    if(a < b) {a = b; return true;}
    else return false;
}
template<class T> void my_printv(std::vector<T> v,bool endline = true){
    if(!v.empty()){
        for(std::size_t i{}; i<v.size()-1; ++i) std::cout<<v[i]<<" ";
        std::cout<<v.back();
    }
    if(endline) std::cout<<std::endl;
}

ll fastpow(ll a, ll pw, ll mod){
    ll res = 1;
    while(pw){
        if(pw&1) (res *= a) %= mod;
        (a *= a) %= mod;
        pw /= 2;
    }
    return res;
}

ll fast111(ll a, ll len, ll mod){
    // 1 <= a <= 9
    ll res = 0;
    for(ll k = 1; k <= len; k <<= 1){
        if(k&len) ((res *= fastpow(10, k, mod))+=a)%=mod;
        (a *= fastpow(10, k, mod) + 1)%=mod;
    }
    return res;
}

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cin>>N;
    vec c(10, 0);
    rep(i, 9) cin>>c[i + 1];
    auto calc = [&](ll mod){
        ll res{};
        reps(i, 1, 10) {
            ((res *= fastpow(10, c[i], mod)) += fast111(i, c[i], mod))%=mod;
        }
        return res;
    };
    int g = 8 * 9 * 7 * 5;
    rep(i, 10) rep(j, i) if(c[i] > 0 && c[j] > 0) g = gcd(g, i - j);
    if(g > 10){
        cout<<calc(1000000007)<<endl;
    }else{
        ll res = 1;
        if(calc(3) == 0) res = 3;
        if(calc(9) == 0) res = 9;
        if(res == 9 && g%3 == 0 && calc(27) == 0) res = 27;
        for(ll p : {8, 4, 2}){
            if(g%p == 0 && calc(p) == 0){
                res *= p;
                break;
            }
        }
        for(ll p : {5, 7}) if(g%p == 0 && calc(p) == 0) res *= p;
        cout<<res<<endl;
    }
}