MOD = 10**9 + 7

S = input().strip()
M = int(input())

dp_prev = [0] * M
leading_zero_prev = [0] * M

for c in S:
    d = int(c)
    current_mod = d % M
    
    new_dp = [v % MOD for v in dp_prev]
    new_leading_zero = [v % MOD for v in leading_zero_prev]
    
    if d == 0:
        new_leading_zero[current_mod] = (new_leading_zero[current_mod] + 1) % MOD
    else:
        new_dp[current_mod] = (new_dp[current_mod] + 1) % MOD
    
    for k in range(M):
        cnt = dp_prev[k]
        if cnt == 0:
            continue
        new_mod = (k * 10 + d) % M
        new_dp[new_mod] = (new_dp[new_mod] + cnt) % MOD
    
    dp_prev, leading_zero_prev = new_dp, new_leading_zero

result = (leading_zero_prev[0] + dp_prev[0]) % MOD
print(result)