import sys
input = sys.stdin.readline

mod = 10**9 + 7
N = int(input())
c = [0] + list(map(int, input().split()))
# same digits
for d in range(1, 10):
    if c[d] == N:
        print(d * (pow(10, N, mod) - 1) * pow(9, mod-2, mod) % mod)
        exit()
ans = 1
if sum(c[2*i] for i in range(5)) == N:
    ans *= 2
if sum(c[4*i] for i in range(2)) == N:
    ans *= 2
total = sum(d * c[d] for d in range(1, 10))
if total % 3 == 0:
    ans *= 3
if total % 9 == 0:
    ans *= 3
print(ans)