#include <bits/stdc++.h>
 
using namespace std;

const long long int MOD = 1e9 + 7;

long long int dp[100005][10];

int f(int x)
{
	while(x >= 10)
	{
		int y = x/10 + x%10;
		x = y;
	}

	return x;
}
int main(void)
{
	cin.tie(0);
	ios::sync_with_stdio(false);

	string s;
	int n,d;

	cin >> s;
	cin >> d;

	dp[0][0] = 1;

	n = s.length();
	
	for(int i=0;i<n;i++)
	{
		for(int j=0;j<10;j++)
		{
			if(s[i]=='?')
			{
				for(int k=0;k<10;k++)
				{
					int x = f(j + k);
					dp[i+1][x] += dp[i][j];
					dp[i+1][x]%=MOD;
				}
			}
			else
			{
				int k = s[i] - '0';
				int x = f(j + k);
				dp[i+1][x] += dp[i][j];
				dp[i+1][x]%=MOD;			
			}
		}
	}

	cout << dp[n][d] << '\n';

	return 0;
}