출처: https://swexpertacademy.com/ T = int(input()) for t in range(1, T + 1): str_t = str(t) cnt = 0 answer = "" cnt += str_t.count("3") cnt += str_t.count("6") cnt += str_t.count("9") if cnt > 0: answer = cnt * "-" else: answer = str_t print(answer, end=' ')