p, k = map(int, input().split())

res = 1

n = p - 1
t = 10
while n != 0:
    if n % 2 == 1: res *= t
    t *= t
    n //= 2

ans = res // p
if k < pow(10, p - 1, p): ans += 1

MOD = int(1e9+7)
print(ans % MOD)