from math import gcd import sys input = sys.stdin.readline def ones(N): return (pow(10, N, mod) - 1) * pow(9, mod-2, mod) % mod mod = 10**9 + 7 N = int(input()) c = [0] + list(map(int, input().split())) for d in range(1, 10): if c[d] == N: print(d * ones(N) % mod) exit() ans = 1 total = sum(d * c[d] for d in range(1, 10)) if c[2] + c[4] + c[6] + c[8] == N: ans *= 2 if c[4] + c[8] == N: ans *= 2 if total % 3 == 0: ans *= 3 if total % 9 == 0: ans *= 3 # check divisibility by 27 s = 0 for d in range(1, 10): q, r = divmod(c[d], 3) s += d * 111 * q c[d] = r t = ''.join(str(d) * c[d] for d in range(1, 10)) for i in range(0, len(t), 3): s += int(t[::-1][3*i:3*i+3][::-1]) if s % 27 == 0: ans *= 3 for i in range(1, 9): for j in range(i + 1, 10): if c[i] > 0 and c[j] > 0: a = 10 * j + i b = 10 * i + j d = a - b ans = gcd(ans, d) print(ans)