In valentine day teachr wants to do lesson for her students

6
1
22:00
21:20
08:04
22:30
10:58
25:07
30:31
12:32
31:12
19:44
17:08
02:00:40
19:05
10:02
24:22
24:28
12:10
27:46
28:19
32:07
01:00:05
13:14
25:21
23:27
18:22
29:55
32:03
15:00
16:01
35:13
30:13
29:20
37:43
12:37
15:00
09:28
19:34
19:15
25:21
07:01