from functools import reduce

def gen_fac(n):
    base = 1
    for n in range(1, n + 2):
        yield base
        base *= n

def find_sum():
    s = set()
    fac = list(gen_fac(9))
    for value in fac:
        if 3 > value:
            continue
        for x in range(value, value + 1000):
            if reduce(lambda x, y: x + fac[y], list(map(lambda x: int(x), str(x))), 0) == x:
                s.add(x)
    return s

print(sum(find_sum()))