l1 = list() for n1 in range(11): for n2 in range(10): for n3 in range(10): for n4 in range(10): if n1 ** 3 + n2 ** 3 + n3 ** 3 + n4 ** 3 == n1 * 1000 + n2 * 100 + n3 * 10 + n4: print(int(str(n1) + str(n2) + str(n3) + str(n4)))