#include // c #include // io #include #include #include #include // container #include #include #include #include #include #include // other #include #include #include #include #include using namespace std; typedef long long ll;typedef unsigned long long ull;typedef long double ld; #define ALL(c) c.begin(),c.end() template bool IN(T l,T v,T r){return l<=v && v void UNIQUE(T v){v.erase(unique(ALL(v)),v.end());} //debug #define DUMP(x) cerr << #x <<" = " << (x) #define LINE() cerr<< " (L" << __LINE__ << ")" struct range{ struct Iter{ int v,step; Iter& operator++(){v+=step;return *this;} bool operator!=(Iter& itr){return vitr.v;} int& operator*(){return v;} }; Iter i, n; rrange(int i, int n,int step):i({i-1,step}), n({n-1,step}){} rrange(int i, int n):rrange(i,n,1){} rrange(int n) :rrange(0,n){} Iter& begin(){return n;} Iter& end(){return i;} }; //input template istream& operator >> (istream& is,pair& p){return is>>p.first>>p.second;} template istream& operator >> (istream& is,tuple& t){return is >> get<0>(t);} template istream& operator >> (istream& is,tuple& t){return is >> get<0>(t) >> get<1>(t);} template istream& operator >> (istream& is,tuple& t){return is >>get<0>(t)>>get<1>(t)>>get<2>(t);} template istream& operator >> (istream& is,tuple& t){return is >> get<0>(t)>>get<1>(t)>>get<2>(t)>>get<3>(t);} template istream& operator >> (istream& is,vector& as){for(int i:range(as.size()))is >>as[i];return is;} //output template ostream& operator << (ostream& os, const set& ss){for(auto a:ss){if(a!=ss.begin())os<<" "; os< ostream& operator << (ostream& os, const pair& p){return os< ostream& operator << (ostream& os, const map& m){bool isF=true;for(auto& p:m){if(!isF)os< ostream& operator << (ostream& os, const tuple& t){return os << get<0>(t);} template ostream& operator << (ostream& os, const tuple& t){return os << get<0>(t)<<" "<(t);} template ostream& operator << (ostream& os, const tuple& t){return os << get<0>(t)<<" "<(t)<<" "<(t);} template ostream& operator << (ostream& os, const tuple& t){return os << get<0>(t)<<" "<(t)<<" "<(t)<<" "<(t);} template ostream& operator << (ostream& os, const vector& as){for(int i:range(as.size())){if(i!=0)os<<" "; os< ostream& operator << (ostream& os, const vector>& as){for(int i:range(as.size())){if(i!=0)os< inline T INF(){assert(false);}; template<> inline int INF(){return 1<<28;}; template<> inline ll INF(){return 1LL<<58;}; template<> inline double INF(){return 1e16;}; template<> inline long double INF(){return 1e16;}; template inline T EPS(){assert(false);}; template<> inline int EPS(){return 1;}; template<> inline ll EPS(){return 1LL;}; template<> inline double EPS(){return 1e-8;}; template<> inline long double EPS(){return 1e-8;}; // min{2^r | n < 2^r} template T upper_pow2(T n){ T res=1;while(res T msb(T n){ int d=63;while((1LL<n)d--;return d;} template T pmod(T v,U M){return (v%M+M)%M;} ll gcd_positive(ll a,ll b) { return b == 0 ? a : gcd_positive(b,a%b); } ll gcd(ll a,ll b) { return gcd_positive(abs(a), abs(b)); } ll lcm(ll a,ll b){return a/gcd(a,b)*b;} ll MOD = 1000000009; class Main{ public: void run(){ string M,D;cin >> M >> D; // 200 * 9 vector> pre(200+1,vector(200*9+10)); // d桁任意の時の和 pre[0][0]=1; for(int p = 1;p<=200;p++){ for(int val=0;val<200*9+10;val++){ for(int v = 0;v<=9;v++)if(val-v>=0){ pre[p][val]+=pre[p-1][val-v]; pre[p][val]%=MOD; } } } vector dpM(200 * 9 + 10); { int vs = 0; for(int d=0;d ndpM(200*9+10); //確定組 for(int v=0;v=0){ dpM[val]+=pre[M.size()-(d+1)][val-v-vs]; dpM[val]%=MOD; } } vs+=M[d]-'0'; } dpM[vs]++;dpM[vs]%=MOD; } dpM[0]=pmod(dpM[0]-1,MOD); vector dpD(200 * 9 + 10); { int vs = 0; for(int d=0;d=0){ dpD[val]+=pre[D.size()-(d+1)][val-v-vs]; dpD[val]%=MOD; } } vs+=D[d]-'0'; } dpD[vs]++;dpD[vs]%=MOD; } dpD[0]=pmod(dpD[0]-1,MOD); ll res =0; for(int val=0;val<200*9+10;val++){ res += dpM[val]*dpD[val]; res%=MOD; } cout << res <