# 2023-09-15 03:41:50.683879
+hello

# 2023-09-15 03:42:12.120490
+help

# 2023-09-15 06:37:37.070634
+hel

# 2023-09-15 06:37:43.470674
+he

# 2023-09-15 06:37:46.694774
+help()

# 2023-09-15 06:37:58.255558
+open($target,$topic)

# 2023-09-15 06:38:39.946346
+open(math_school, hello)

# 2023-09-15 06:38:52.255612
+5+3

# 2023-09-15 06:40:08.434216
+open(小学老师,math_school)

# 2023-09-15 06:40:12.511473
+5+3

# 2023-09-15 06:41:07.635875
+send(小学老师, 5+3, math_school)

# 2023-09-15 06:41:28.111632
+send("小学老师", "5+3", "math_school")

# 2023-09-15 06:46:03.361318
+5+3

# 2023-09-15 06:58:04.568600
+open(math_school, 小学老师)

# 2023-09-15 06:58:10.940263
+5+3

# 2023-09-15 08:14:18.370059
+op

# 2023-09-15 08:14:57.303640
+open(math_school,小学老师)

# 2023-09-15 08:16:13.045359
+5+3

# 2023-09-15 08:24:53.045039
+open(math_school,小学老师)

# 2023-09-15 08:24:56.551048
+5+3

# 2023-09-15 08:27:14.113933
+open(math_school,小学老师)

# 2023-09-15 08:27:31.679873
+5+3=8

# 2023-09-15 08:28:39.132082
+$open(math_school,小学老师)

# 2023-09-15 08:29:11.896668
+5+3=8

# 2023-09-15 08:36:34.342241
+open(math_school,小学老师)

# 2023-09-15 08:36:39.386247
+5+3=8

# 2023-09-15 09:57:19.516838
+open(math_school,小学老师)

# 2023-09-15 09:57:33.371520
+5+3=8

# 2023-09-15 10:00:53.355748
+open(math_school,小学老师)

# 2023-09-15 10:01:02.862918
+5+3=8

# 2023-09-15 10:05:53.128794
+open(math_school,小学老师)

# 2023-09-15 10:05:58.133501
+5+3=8

# 2023-09-15 10:07:42.454258
+open(math_school,小学老师)

# 2023-09-15 10:07:47.737608
+5+3=8

# 2023-09-15 10:10:09.716805
+open(math_school,小学老师)

# 2023-09-15 10:10:16.097322
+5+3=8

# 2023-09-15 10:12:08.449379
+open(math_school,小学老师)

# 2023-09-15 10:12:13.079025
+5+3=8

# 2023-09-15 10:13:48.545683
+open(math_school,小学老师)

# 2023-09-15 10:13:54.927181
+5+3=8

# 2023-09-15 10:19:17.745657
+open(math_school,小学老师)

# 2023-09-15 10:19:23.711550
+5+3=8

# 2023-09-15 10:21:26.701757
+open(math_school,小学老师)

# 2023-09-15 10:21:32.767604
+5+3=8

# 2023-09-15 10:26:04.480292
+open(math_school,小学老师)

# 2023-09-15 10:26:10.045387
+5+3=8

# 2023-09-15 10:31:28.045250
+open(match_school, 小学老师)

# 2023-09-15 10:31:36.167547
+5+3=8

# 2023-09-15 10:32:29.338152
+open(match_school, 小学老师)

# 2023-09-15 10:32:35.693949
+3+5=8

# 2023-09-15 10:33:03.433018
+open(match_school, 小学老师)

# 2023-09-15 10:33:14.326229
+4+5=9

# 2023-09-15 10:34:21.259810
+open(math_school, 小学老师)

# 2023-09-15 10:34:34.422484
+1+1=2

# 2023-09-16 10:13:23.564438
+open(math_school, 小学老师)

# 2023-09-16 10:13:29.941319
+5+3=8

# 2023-09-16 10:14:23.145831
+open(math_school, 小学老师)

# 2023-09-16 10:14:26.382580
+5+3=8

# 2023-09-17 11:43:17.436353
+open(math_school, 小学老师)

# 2023-09-17 11:43:22.332117
+5+3=8

# 2023-09-17 11:49:27.933651
+open(math_school, 小学老师)

# 2023-09-17 11:49:35.619278
+5+3=8

# 2023-09-17 11:51:28.813245
+open(math_school, 小学老师)

# 2023-09-17 11:51:34.474472
+5+3=8

# 2023-09-17 11:58:28.221803
+open(math_school, 小学老师)

# 2023-09-17 11:59:16.715335
+5+3=8

# 2023-09-17 12:04:10.819566
+open(math_school, 小学老师)

# 2023-09-17 12:04:15.404546
+5+3=8

# 2023-09-17 12:04:39.159679
+open(math_school, 小学老师)

# 2023-09-17 12:04:50.036365
+5+3=8

# 2023-09-17 12:05:20.015642
+open(math_school, 小学老师)

# 2023-09-17 12:05:26.268601
+5+3=8

# 2023-09-17 12:07:52.687876
+open(math_school, 小学老师)

# 2023-09-17 12:08:10.093561
+5+3=8

# 2023-09-17 12:10:49.055737
+open(math_school, 小学老师)

# 2023-09-17 12:10:55.622177
+5+3=8

# 2023-09-17 12:17:37.593976
+open(math_school, 小学老师)

# 2023-09-17 12:17:41.496433
+5+3=8

# 2023-09-17 12:43:55.489719
+open(math_school, 小学老师)

# 2023-09-17 12:43:59.837491
+5+3=8

# 2023-09-17 12:46:07.069625
+open(math_school, 小学老师)

# 2023-09-17 12:46:13.028847
+5+3=8

# 2023-09-17 12:48:40.762746
+open(math_school, 小学老师)

# 2023-09-17 12:48:45.062939
+5+3=8

# 2023-09-17 12:52:08.003428
+open(math_school, 小学老师)

# 2023-09-17 12:52:15.104145
+5+3=8

# 2023-09-17 12:58:11.789619
+open(math_school, 小学老师)

# 2023-09-17 12:58:17.994040
+5+3=8

# 2023-09-17 13:03:18.654092
+open(math_school, 小学老师)

# 2023-09-17 13:03:23.698141
+5+3=8

# 2023-09-17 13:05:39.719027
+open(math_school, 小学老师)

# 2023-09-17 13:05:44.820351
+5+3=8

# 2023-09-17 13:08:18.344888
+open(math_school, 小学老师)

# 2023-09-17 13:08:25.670674
+5+3=8

# 2023-09-17 13:10:28.539763
+open(math_school, 小学老师)

# 2023-09-17 13:10:33.353629
+5+3=8