621 B | 621 chars
import sys
from math import sqrt, pi, sin, factorial
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = " " : [*map(int,inp().split(x))]
mfi = lambda x = " " : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
L, H = mii()
ans = 0
for i in range(L, H + 1):
k = str(i)
if len(k) != len(set(k)):
continue
for j in k:
if int(j) == 0:
break
if i % int(j):
break
else:
ans += 1
print(ans)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()