from common import pandigital

pandigital = pandigital(9).numbers(5)
pandigital.remove(1)

def is_pandigital(a, b, c):
	d = [0]*10
	while a > 0:
		digit = a % 10
		if d[digit] > 0:
			return False
		d[digit] += 1
		a /= 10
	while b > 0:
		digit = b % 10
		if d[digit] > 0:
			return False
		d[digit] += 1
		b /= 10
	while c > 0:
		digit = c % 10
		if d[digit] > 0:
			return False
		d[digit] += 1
		c /= 10
	return d[1:] == [1]*9

products = set()

for a in pandigital:
	for b in pandigital:
		c = a * b
		if c in pandigital and is_pandigital(a, b, c):
			#print str(a), "*", str(b), "=", str(c)
			products.add(c)

sum = 0
for p in products:
	sum += p

print sum