from tools import number_theory

def same(x, y):
    return sorted(str(x)) == sorted(str(y))

def search(limit):
    prime = list(filter(lambda x: x > 1487, number_theory.make_prime(limit)))
    for i, pi in enumerate(prime):
        for pj in prime[i + 1:]:
            if same(pi, pj):
                pn = 2 * pj - pi
                if same(pn, pi) and pn in prime:
                    return str(pi) + str(pj) + str(pn)

print(search(10000))