M, D = map(int, input().split()) MOD = 1000000009 Msz = len(str(M)) Dsz = len(str(D)) MAX = max(Msz, Dsz) last_max = sum(int(_) for _ in list(str(M))) def dp(p): sz = len(str(p)) dp = [[[0 for f in range(2)] for a in range(2005)] for b in range(205)] dp[0][0][0] = 1 for i in range(sz): num = int(str(p)[-1-i]) for j in range(2000): for l in range(2): if dp[i][j][l] == 0: continue dp[i][j][l] %= MOD for k in range(10): if knum: dp[i + 1][j + k][1] += dp[i][j][l] else: dp[i + 1][j + k][l] += dp[i][j][l] return dp dp1 = dp(M) dp2 = dp(D) ans = 0 # for i in range(M_x): # for j in range(D_x): # for x in range(MAX*9): # ans += dp1[i][x][0] * dp2[j][x][0] # print(dp1[i][x][0] * dp2[j][x][0]) d1 = [0] * 2000 d2 = [0] * 2000 for i in range(MAX*9+2): d1[i] = dp1[Msz][i][0] % MOD d2[i] = dp2[Dsz][i][0] % MOD for i in range(MAX*9+2): ans += d1[i] * d2[i] ans %= MOD print(ans%MOD-1) # # M_set = [0] # D_set = [0] # for i in range(1, M+1): # M_set.append(sum_of_digit(i)) # for j in range(1, D+1): # D_set.append(sum_of_digit(j)) # # M_set = set(M_set) # D_set = set(D_set) # ans = M_set & D_set # # print(len(ans) % 1000000009) # print(M_set)