def perf_happy(n):
    result = []
    bad_numbers = set()
    for i in range(1, n + 1):
        if i in bad_numbers:
            continue
        temp = set()
        z = i
        while True:
            temp_2 = sum([int(x) ** 2 for x in str(z)])
            if temp_2 == 1:
                result.append(i)
                break
            elif temp_2 in temp or temp_2 in bad_numbers:
                bad_numbers.update(temp)
                break
            elif temp_2 not in temp:
                temp.add(temp_2)
                z = temp_2
    return result