#include <bits/stdc++.h>
#define rep(i, l, r) for (int i = (l); i < (r); i++)
using namespace std;

typedef long long ll;

ll mod_pow(ll x, ll n, ll mod) {
    ll res = 1;
    while (n > 0) {
        if (n & 1) res = res * x % mod;
        x = x * x % mod;
        n >>= 1;
    }
    return res;
}

int main() {
    int N;
    cin >> N;
    vector<int> c(9);
    rep(i, 0, 9) cin >> c[i];
    vector<ll> f(N + 1, 1);
    ll ans = 0, b = 0, MOD = 1e9 + 7;
    rep(i, 0, N) {
        b = (b * 10 + 1) % MOD;
        f[i + 1] = f[i] * (i + 1) % MOD;
    }
    rep(i, 0, 9) {
        if (c[i] == 0) continue;
        ll d = f[N - 1];
        rep(j, 0, 9) {
            if (i == j) {
                d = d * mod_pow(f[c[j] - 1], MOD - 2, MOD) % MOD;
            } else {
                d = d * mod_pow(f[c[j]], MOD - 2, MOD) % MOD;
            }
        }
        ans += d * (i + 1) % MOD * b % MOD;
        ans %= MOD;
    }
    cout << ans << endl;
}