from itertools import combinations_with_replacement, permutations, combinations # 逆元のテーブルを作成 def cmb(n, k, mod, fac, ifac): k = min(k, n - k) return fac[n] * ifac[k] * ifac[n - k] % mod def make_tables(mod, n): fac = [1, 1] # 階乗テーブル・・・(1) ifac = [1, 1] # 逆元の階乗テーブル・・・(2) inverse = [0, 1] # 逆元テーブル・・・(3) for i in range(2, n + 1): fac.append((fac[-1] * i) % mod) inverse.append((-inverse[mod % i] * (mod // i)) % mod) ifac.append((ifac[-1] * inverse[-1]) % mod) fac[0] = 0 ifac[0] = 0 return fac, ifac def main(): N = int(input()) A = list(map(int, input().split())) lst = [] for i in range(1, 10): lst += [i for _ in range(A[i - 1])] mod = 10 ** 9 + 7 fac, ifac = make_tables(mod, 2 * 10 ** 5 + 10) ans = 0 for perm in permutations(lst): # print(perm) for i in range(N): # ans += perm[i] * 10 ** i // A[perm[i - 1]] # print(perm[i], perm[i] - 1) if N != 1: ans += perm[i] * 10 ** i * (N - A[perm[i] - 1]) // A[perm[i] - 1] else: ans += perm[i] * 10 ** i ans %= mod # print(ans) # for i in range(1, 10): # if A[i - 1] == 0: # continue # for j in range(N): # ans += i * 10 ** j * (cmb(N, A[i - 1], mod, fac, ifac) // (N - A[i - 1])) # ans %= mod print(ans) main()