MOD = 10 ** 9 + 7
T = input()
D = int(input())
n = 0
a = 0
ans = 0
for t in T:
    if t == "?":
        n += 1
    else:
        a += int(t)
while a > 9:
    T = str(a)
    a = 0
    for t in T:
        a += int(t)
if n == 0:
    if D == a:
        print(1)
    else:
        print(0)
    exit()

X = [0] * 10
X[a] = 1
for i in range(n):
    X2 = [0] * 10
    for j in range(10):
        for k in range(10):
            a = j + k
            if a > 9:
                a -= 9
            X2[a] += X[j]
            X2[a] %= MOD
    X = X2
print(X[D])