import sys sys.setrecursionlimit(10 ** 6) int1 = lambda x: int(x) - 1 p2D = lambda x: print(*x, sep="\n") def II(): return int(sys.stdin.readline()) def MI(): return map(int, sys.stdin.readline().split()) def LI(): return list(map(int, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def SI(): return sys.stdin.readline()[:-1] class mint: def __init__(self, x): self.__x = x % md def __str__(self): return str(self.__x) def __add__(self, other): if isinstance(other, mint): other = other.__x return mint(self.__x + other) def __sub__(self, other): if isinstance(other, mint): other = other.__x return mint(self.__x - other) def __rsub__(self, other): return mint(other - self.__x) def __mul__(self, other): if isinstance(other, mint): other = other.__x return mint(self.__x * other) __radd__ = __add__ __rmul__ = __mul__ def __truediv__(self, other): if isinstance(other, mint): other = other.__x return mint(self.__x * pow(other, md - 2, md)) def __pow__(self, power, modulo=None): return mint(pow(self.__x, power, md)) md = 10 ** 9 + 9 def main(): m, d = input().split() m = [int(c) for c in m] d = [int(c) for c in d] dpm = [[[0] * 2 for _ in range(1801)] for _ in range(len(m) + 1)] dpd = [[[0] * 2 for _ in range(1801)] for _ in range(len(d) + 1)] dpm[0][0][0] = mint(1) dpd[0][0][0] = mint(1) for i, a in enumerate(m): for s in range(1801): for f in range(2): pre = dpm[i][s][f] if pre == 0: continue if f: for na in range(10): dpm[i + 1][s + na][1] += pre else: for na in range(a): dpm[i + 1][s + na][1] += pre dpm[i + 1][s + a][0] += pre for i, a in enumerate(d): for s in range(1801): for f in range(2): pre = dpd[i][s][f] if pre == 0: continue if f: for na in range(10): dpd[i + 1][s + na][1] += pre else: for na in range(a): dpd[i + 1][s + na][1] += pre dpd[i + 1][s + a][0] += pre ans = sum(sum(dpm[-1][i]) * sum(dpd[-1][i]) for i in range(1, 1801)) print(ans) main()