// yukicoder: 189 SUPER HAPPY DAY // 2019.8.29 bal4u #include #include typedef long long ll; #define gc() getchar() int ins(char *s) { // 文字列の入力 スペース以下の文字で入力終了 char *p = s--; do *++s = gc(); while (*s > ' '); *s = 0; return s - p; } #define MOD 1000000009 int mcnt[1820], dcnt[1820]; int mma, dma; char M[205]; int WM; char D[205]; int WD; int dp[205][1820][2]; inline static void chmod(int *a, ll b) { (*a) = (b + *a) % MOD; } int calc(int *f, int w, char *s) { int i, j, k, a, ma; dp[0][0][1] = 1, ma = 0; for (i = 0; i < w; i++) { for (j = ma; j >= 0; j--) { for (k = 0; k < 2; k++) { if (k) { int d = s[i] & 0xf; for (a = d-1; a >= 0; a--) dp[i+1][j+a][0] = (dp[i+1][j+a][0] + dp[i][j][1]) % MOD; dp[i+1][j+d][1] = (dp[i+1][j+d][1] + dp[i][j][1]) % MOD; } else { for (a = 9; a >= 0; a--) dp[i+1][j+a][0] = (dp[i+1][j+a][0] + dp[i][j][0]) % MOD; } } } ma += 9; } for (i = 1; i <= ma; i++) f[i] = (dp[w][i][0] + dp[w][i][1]) % MOD; return ma; } int main() { int i, ans; WM = ins(M), WD = ins(D); mma = calc(mcnt, WM, M); memset(dp, 0, sizeof(dp)); dma = calc(dcnt, WD, D); ans = 0; i = mma; if (i > dma) i = dma; while (i) chmod(&ans, (ll)mcnt[i]*dcnt[i]), i--; printf("%d\n", ans); return 0; }