#include #define EPS 1e-9 #define INF 1070000000LL #define MOD 1000000009LL #define fir first #define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++) #define numa(x,a) for(auto x: a) #define ite iterator #define mp make_pair #define rep(i,n) rep2(i,0,n) #define rep2(i,m,n) for(int i=m;i<(n);i++) #define pb push_back #define pf push_front #define sec second #define sz(x) ((int)(x).size()) #define ALL( c ) (c).begin(), (c).end() #define gcd(a,b) __gcd(a,b) #define mem(x,n) memset(x,n,sizeof(x)) #define endl "\n" using namespace std; template void deploy(std::ostream &os, const TUPLE &tuple){} template void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get(t); deploy(os, t); } template std::ostream& operator<<(std::ostream &os, std::pair &p){ os << "(" << p.first <<", " << p.second <<")";return os; } template std::ostream& operator<<(std::ostream &os, std::vector &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template std::ostream& operator<<(std::ostream &os, std::set &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template std::ostream& operator<<(std::ostream &os, std::map &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; } #define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; } #define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); } #define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); } #define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); } using ll = long long; bool month_memo2[205][2]; bool day_memo2[205][2]; ll month_memo[205][2][2500]; ll day_memo[205][2][2500]; string month,day; void dp_go(int now, bool free){ if (now == sz(month)) { month_memo[now][free][0] = 1; return; } if (month_memo2[now][free]) { return; } month_memo2[now][free] = true; dp_go(now+1, true); dp_go(now+1, false); if (free) { for (int j = 0; j < 2500; j++) { if (month_memo[now+1][true][j] > 0) { for (int x = 0; x < 10; x++) {//今の数字 month_memo[now][free][j+x] += month_memo[now+1][true][j]; month_memo[now][free][j+x] %= MOD; } } } }else{ for (int j = 0; j < 2500; j++) { if (month_memo[now+1][true][j] > 0) { for (int x = 0; x < month[now] - '0' ; x++) {//今の数字 month_memo[now][free][j+x] += month_memo[now+1][true][j]; month_memo[now][free][j+x] %= MOD; } } if (month_memo[now+1][false][j] > 0) { month_memo[now][free][j+month[now]-'0'] += month_memo[now+1][false][j]; month_memo[now][free][j+month[now]-'0'] %= MOD; } } } return; } void dp_go2(int now, bool free){ if (now == sz(day)) { day_memo[now][free][0] = 1; return; } if (day_memo2[now][free]) { return; } day_memo2[now][free] = true; dp_go2(now+1, true); dp_go2(now+1, false); if (free) { for (int j = 0; j < 2500; j++) { if (day_memo[now+1][true][j] > 0) { for (int x = 0; x < 10; x++) {//今の数字 day_memo[now][free][j+x] += day_memo[now+1][true][j]; day_memo[now][free][j+x] %= MOD; } } } }else{ for (int j = 0; j < 2500; j++) { if (day_memo[now+1][true][j] > 0) { for (int x = 0; x < day[now] - '0'; x++) {//今の数字 day_memo[now][free][j+x] += day_memo[now+1][true][j]; day_memo[now][free][j+x] %= MOD; } } if (day_memo[now+1][false][j] > 0) { day_memo[now][free][j+day[now]-'0'] += day_memo[now+1][false][j]; day_memo[now][free][j+day[now]-'0'] %= MOD; } } } return; } int main() { cin.tie(0); ios_base::sync_with_stdio(0); cin >> month >> day; dp_go(0, false); dp_go2(0, false); ll ans = 0; for (int j = 1; j < 2500; j++) { //DEBUG3(j,day_memo[0][false][j],month_memo[0][false][j]); ans += (day_memo[0][false][j] * month_memo[0][false][j] % MOD); ans %= MOD; } cout << ans << endl; return 0; }