n, *c = map(int, open(0).read().split())
a = 1
ans = 0

mod = 10 ** 9 + 7
fact = [1, 1]
finv = [1, 1]
inv = [0, 1]
for i in range(2, n + 1):
    fact.append((fact[-1] * i) % mod)
    inv.append((inv[mod % i] * (mod - mod // i)) % mod)
    finv.append((finv[-1] * inv[-1]) % mod)

for _ in range(n):
    for i in range(9):
        if c[i]:
            b = fact[n-1]
            for j in range(9):
                b *= finv[c[j] - (i == j)]
                b %= mod
            ans += (i + 1) * a * b
            ans %= mod
    a *= 10
    a %= mod
print(ans)