#include "bits/stdc++.h" #include "atcoder/all" using namespace std; using namespace atcoder; using mint = modint1000000007; const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; //const int INF = 1e9; //const long long LINF = 1e18; //const bool debug = false; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n-1); i >= 0; --i) #define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define endl "\n" #define P pair template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } long long gcd(long long a, long long b) { if (b == 0) return a; else return gcd(b, a%b); } int powmod(int x, int y, int m) { int ret = 1; int pw = x; while (y) { if (1 & y) { ret *= pw; ret %= m; } pw *= pw; pw %= m; y /= 2; } return ret; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; vectorv(10); int c = 0; rep2(i, 1, 10) { cin >> v[i]; if (v[i])c++; } if (1 == c) { rep(i, 10) { if (0 == v[i])continue; mint ans = (mint(10).pow(n) - 1)*i * inv_mod(9, mod); cout << ans.val() << endl; } return 0; } int g = 0; rep(i, 10) rep2(j, i + 1, 10) { if (0 == v[i])continue; if (0 == v[j])continue; g = gcd(g, j - i); } g *= 9; int g1 = 0; int x = 0; rep(i, 10) { int a = (powmod(10, v[i], 9 * g) - 1 + 9 * g) * i % (9 * g) / 9; int b = powmod(10, x, g); g1 += a * b; g1 %= g; x += v[i]; } g = gcd(g, g1); cout << g << endl; return 0; }