#include #define rep(i,n) for(int i = 0; i < (n); ++i) #define srep(i,s,t) for (int i = s; i < t; ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) using namespace std; typedef long long int ll; typedef pair P; #define yn {puts("YES");}else{puts("NO");} #define MAX_N 1000000 int dp[MAX_N] = {}; int main() { string t; cin >> t; int d; cin >> d; int n = 0; int sum = 0; rep(i,t.size()){ if(t[i] == '?')n++; else sum += t[i] - '0'; } int dp[n][9]; rep(i,n)rep(j,9)dp[i][j] = 0; ll MOD = 1e9+7; rep(i,n){ if(i == 0){ rep(j,9)dp[i][j] = 1; dp[i][0] = 2; }else{ rep(j,9){ rep(k,10){ dp[i][(j+k)%9] += dp[i-1][j]; } } rep(j,9)dp[i][j] %= MOD; } } if(sum == 0){ dp[n-1][0] += MOD - 1; } int ans = 0; if(d == 0){ if(sum == 0){ ans = 1; } cout << ans << endl; return 0; } sum %= 9; d = d + 9 - sum; d %= 9; ans = dp[n-1][d]; ans %= MOD; cout << ans << endl; return 0; }