def make_permutation_iter(num, l, s, result):
    if not num:
        result.append((s, l))
    else:
        for i in range(len(l)):
            make_permutation_iter(num - 1, l[:i] + l[i + 1:], s + l[i], result)

def make_permutation(num, l):
    result = []
    make_permutation_iter(num, l, '', result)
    return result

def add_type(a, b):
    s = set()
    for x, left in make_permutation(a, '123456789'):
        for y, cmpr in make_permutation(b, left):
            multi = int(x) * int(y)
            if sorted(cmpr) == sorted(str(multi)):
                s.add(multi)
    return sum(s)

print(add_type(1, 4) + add_type(2, 3))