check digit of CAS registration number

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Problem

calculate the rightmost digit of a CAS (Chemical Abstracts Service) registry number

Options

exec is denied

rejudge feature is enabled

now post-mortem time, all source codes will be revealed

Sample input:_

79-06-
79-10-
140-88-
107-13-
75-07-
90-04-
18854-01-
26087-47-
75-21-
106-89-
75-56-
7647-01-
1897-45-
75-01-
7782-50-
105-60-
1330-20-
95-47-
108-38-
106-42-
120-71-
5598-13-
76-06-
122-34-
126-99-
28249-77-
67-66-
107-30-
13356-08-
101-77-
50512-35-
333-41-
298-04-
56-23-
123-91-
107-06-
75-35-
101-14-
78-87-
542-75-
75-27-
106-46-
75-09-
85-00-
156-59-
121-14-
101-68-
106-93-
57-14-
68-12-
122-14-
74-83-
144-62-
100-42-
2921-88-
127-18-
156-60-
71-55-
79-00-
79-01-
1836-77-
1582-09-
95-53-
108-88-
91-23-
137-26-
1910-42-
302-01-
2104-64-
55-38-
106-99-
117-81-
7664-39-
7782-41-
23950-58-
114-26-
71-43-
115-29-
82-68-
87-86-
50-00-
121-75-
3766-81-
74-93-
7553-56-
62-73-
124-04-
103-23-
103-33-
62-53-
107-18-
78-79-
80-05-
141-43-
2212-67-
100-41-
110-80-
80844-07-
133-06-
63-25-
91-22-
107-22-
123-73-
106-47-
109-70-
74-87-
111-15-
108-05-
94-75-
98-87-
60-51-
97-02-
92-52-
122-39-
128-37-
124-40-
131-11-
409-21-
109-99-
100-21-
108-77-
75-50-
98-95-
25154-52-
123-31-
111-44-
27355-22-
84-69-
84-74-
98-01-
314-40-
41814-78-
124-09-
100-44-
115-77-
8018-01-
16752-77-
563-47-
950-37-
74-89-
60-34-
74-88-
126-73-

Sample output:

1
7
5
1
0
0
8
8
8
8
9
0
6
4
5
2
7
6
3
3
8
0
2
9
8
6
3
2
6
9
1
5
4
5
1
2
4
4
5
6
4
7
2
7
2
2
8
4
7
2
5
9
7
5
2
4
5
6
5
6
7
8
4
3
6
8
5
2
5
9
0
7
3
4
5
1
2
7
8
5
0
5
2
1
2
7
9
1
3
3
6
5
7
5
1
4
5
1
2
2
5
2
9
8
6
3
9
4
7
3
5
9
4
4
0
3
3
2
9
0
0
3
3
3
9
4
2
5
2
1
9
2
4
7
5
7
5
3
8
5
4
4
8

Ranking

Ruby _

RankUserSizeTimeDateStatistics
1rotary-o470.03902025/09/13 22:31:450B / 22B / 20B

Ruby2 _

RankUserSizeTimeDateStatistics
1rotary-o470.07452025/09/13 22:31:330B / 22B / 20B

Perl _

RankUserSizeTimeDateStatistics
1tails400.01792025/09/12 13:19:540B / 17B / 23B
2teebee400.04772025/09/14 18:39:550B / 14B / 24B

Python3 _

RankUserSizeTimeDateStatistics
1xnor680.05352025/09/16 21:58:250B / 39B / 28B
2i6ha800.15552025/09/15 00:10:580B / 41B / 29B
3olf870.04922025/09/12 23:08:280B / 46B / 28B
4hyacinth880.04452025/09/12 22:49:520B / 52B / 32B
5cldemote1140.04832025/09/18 10:46:410B / 69B / 35B

JavaScript _

RankUserSizeTimeDateStatistics
1teebee650.02532025/09/14 17:59:530B / 40B / 22B
2KrausRaus750.02522025/09/13 23:57:410B / 43B / 32B

K _

RankUserSizeTimeDateStatistics
1teebee300.00922025/09/15 05:44:540B / 6B / 24B

iogii _

RankUserSizeTimeDateStatistics
1tails110.03822025/09/18 08:56:240B / 6B / 5B

C _

RankUserSizeTimeDateStatistics
1rotary-o690.13302025/09/14 20:55:220B / 38B / 31B
2tails690.13302025/09/17 10:02:070B / 38B / 31B

Java _

RankUserSizeTimeDateStatistics
1rotary-o1290.25572025/09/14 22:10:060B / 77B / 48B

C# _

RankUserSizeTimeDateStatistics
1rotary-o1330.04602025/09/14 22:10:570B / 84B / 44B

AWK _

RankUserSizeTimeDateStatistics
1Fleur440.01422025/09/12 23:41:190B / 16B / 28B
2olf500.01432025/09/16 21:32:560B / 22B / 28B

sed _

RankUserSizeTimeDateStatistics
1tails970.04952025/09/14 01:21:460B / 26B / 61B
2McBusLuck1040.04732025/09/13 21:02:040B / 43B / 50B

jq _

RankUserSizeTimeDateStatistics
1teebee480.01982025/09/18 05:42:360B / 20B / 27B

Bash (builtins) _

RankUserSizeTimeDateStatistics
1tails540.37132025/09/14 00:14:180B / 19B / 32B
2McBusLuck550.38262025/09/13 06:49:320B / 20B / 32B

bc _

RankUserSizeTimeDateStatistics
1ludo760.02182025/09/18 21:21:550B / 41B / 34B
2teebee730.01002025/09/20 03:11:260B / 40B / 32B

R _

RankUserSizeTimeDateStatistics
1ludo630.30752025/09/18 20:25:480B / 31B / 32B
2olf730.13012025/09/15 21:15:040B / 39B / 32B
3teebee760.13102025/09/15 04:57:470B / 47B / 27B

Whitespace _

RankUserSizeTimeDateStatistics
1rotary-o1270.03052025/09/15 22:06:300B / 0B / 0B

GolfScript _

RankUserSizeTimeDateStatistics
1tails270.06532025/09/17 11:42:400B / 6B / 21B

gs2 _

RankUserSizeTimeDateStatistics
1tails90.08102025/09/12 13:29:354B / 5B / 0B
2whio90.13272025/09/18 12:55:163B / 4B / 2B

Nibbles _

RankUserSizeTimeDateStatistics
1tails90.03802025/09/17 11:24:007B / 1B / 1B
2whio90.02152025/09/18 13:07:438B / 1B / 0B

Lazy-K _

RankUserSizeTimeDateStatistics
1tails7290.13292025/09/12 14:31:420B / 396B / 333B

Scala _

RankUserSizeTimeDateStatistics
1rotary-o634.59422025/09/15 09:19:170B / 39B / 23B

Language Ranking_

RankLangUserSizeScore
1gs2tails910000
2Nibblestails910000
3iogiitails118181
4GolfScripttails273333
5Kteebee303000
6Perltails402250
7AWKFleur442045
8Ruby2rotary-o471914
9Rubyrotary-o471914
10jqteebee481875
11Bash (builtins)tails541666
12Scalarotary-o631428
13Rludo631428
14JavaScriptteebee651384
15Python3xnor681323
16Crotary-o691304
17bcteebee731232
18sedtails97927
19Whitespacerotary-o127708
20Javarotary-o129697
21C#rotary-o133676
22Lazy-Ktails729123

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