Codeforces Round 268 (Div. 1)

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ContestId
Name
Phase
Frozen
Duration (Seconds)
Relative Time
Start Time
468 Codeforces Round 268 (Div. 1) FINISHED False 7200 320605199 Sept. 20, 2014, 1 p.m.

Problems

Solved$
Index
Name
Type
Tags
Community Tag
Rating
( 8005 ) A 24 Game PROGRAMMING constructive algorithms greedy math 1600

B'Little X used to play a card game called "24 Game", but recently he has found it too easy. So he invented a new game. Initially you have a sequence of n integers: 1, xe2 x80 x892, xe2 x80 x89..., xe2 x80 x89n. In a single step, you can pick two of them, let 's denote them a and b, erase them from the sequence, and append to the sequence either a xe2 x80 x89+ xe2 x80 x89b, or a xe2 x80 x89- xe2 x80 x89b, or a xe2 x80 x89 xc3 x97 xe2 x80 x89b. After n xe2 x80 x89- xe2 x80 x891 steps there is only one number left. Can you make this number equal to 24? The first line contains a single integer n (1 xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89n xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89105). If it 's possible, print "YES" in the first line. Otherwise, print "NO" (without the quotes). If there is a way to obtain 24 as the result number, in the following n xe2 x80 x89- xe2 x80 x891 lines print the required operations an operation per line. Each operation should be in form: "a op b = c". Where a and b are the numbers you 've picked at this operation; op is either "+", or "-", or "*"; c is the result of corresponding operation. Note, that the absolute value of c mustn 't be greater than 1018. The result of the last operation must be equal to 24. Separate operator sign and equality sign from numbers with spaces. If there are multiple valid answers, you may print any of them.'...

Tutorials

13896

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
7871370 hos.lyric A Sept. 20, 2014, 1:23 p.m. OK D TESTS 31 124 1536000 1600
7885008 ruban A Sept. 20, 2014, 4:50 p.m. OK Delphi TESTS 31 46 0 1600
7957389 ega.volk A Sept. 26, 2014, 1:51 p.m. OK Delphi TESTS 31 46 0 1600
10526670 AHTuTTuTyX A March 30, 2015, 4:40 p.m. OK Delphi TESTS 31 46 102400 1600
17927371 walid.salah A May 16, 2016, 6:15 a.m. OK Delphi TESTS 31 46 2764800 1600
7893183 valeriy.stromov A Sept. 21, 2014, 8:51 a.m. OK Delphi TESTS 31 46 31027200 1600
8220452 metalopocalipsis A Oct. 13, 2014, 4:23 p.m. OK Delphi TESTS 31 62 102400 1600
7874102 AllCatsAreBeautiful A Sept. 20, 2014, 1:45 p.m. OK FPC TESTS 31 170 0 1600
7929258 alc A Sept. 23, 2014, 4:55 p.m. OK FPC TESTS 31 170 0 1600
7870764 JimmyCHW A Sept. 20, 2014, 1:19 p.m. OK FPC TESTS 31 170 0 1600
11145223 Sonechko A May 19, 2015, 2:35 p.m. OK FPC TESTS 31 171 0 1600
8691963 arsijo A Nov. 14, 2014, 10:32 a.m. OK FPC TESTS 31 171 0 1600
8470648 IWantToHaveGirlFriend A Oct. 29, 2014, 3:13 p.m. OK FPC TESTS 31 171 0 1600
8328040 thanhtung29497 A Oct. 20, 2014, 8:24 a.m. OK FPC TESTS 31 171 0 1600
8064163 0123456hahaha0123456 A Oct. 3, 2014, 1:30 a.m. OK FPC TESTS 31 171 0 1600
7957617 Crossings A Sept. 26, 2014, 2:13 p.m. OK FPC TESTS 31 171 0 1600
7948815 angkara A Sept. 25, 2014, 3:50 p.m. OK FPC TESTS 31 171 0 1600
15878377 Farbin A Feb. 7, 2016, 2:40 p.m. OK GNU C TESTS 31 31 0 1600
30948221 vjudge1 A Oct. 2, 2017, 4:27 p.m. OK GNU C TESTS 31 31 0 1600
16592470 vj98 A March 7, 2016, 9:25 p.m. OK GNU C TESTS 31 31 0 1600
13243201 vprime5 A Sept. 26, 2015, 11:32 p.m. OK GNU C TESTS 31 31 0 1600
12963759 supersayajeans A Sept. 11, 2015, 5:43 p.m. OK GNU C TESTS 31 31 0 1600
12419483 gfreire A Aug. 8, 2015, 11:37 p.m. OK GNU C TESTS 31 31 0 1600
9785220 vjudge4 A Feb. 10, 2015, 3:17 a.m. OK GNU C TESTS 31 31 0 1600
9499458 Julyfandango A Jan. 22, 2015, 7:35 a.m. OK GNU C TESTS 31 31 0 1600
8997069 NOJVJ A Dec. 6, 2014, 6:34 a.m. OK GNU C TESTS 31 31 0 1600
7914968 prasang A Sept. 22, 2014, 10:11 p.m. OK GNU C TESTS 31 31 1638400 1600
8045527 zetilovn A Oct. 1, 2014, 10:18 a.m. OK GNU C++ TESTS 31 30 0 1600
7890373 godfish A Sept. 21, 2014, 4:36 a.m. OK GNU C++ TESTS 31 30 0 1600
30964024 vjudge2 A Oct. 3, 2017, 10:06 a.m. OK GNU C++ TESTS 31 31 0 1600
30743752 vjudge1 A Sept. 26, 2017, 7:57 a.m. OK GNU C++ TESTS 31 31 0 1600
30035578 vjudge1 A Sept. 3, 2017, 1:20 p.m. OK GNU C++ TESTS 31 31 0 1600
30029613 vjudge3 A Sept. 3, 2017, 10:34 a.m. OK GNU C++ TESTS 31 31 0 1600
22997815 vjudge3 A Dec. 15, 2016, 5:34 a.m. OK GNU C++ TESTS 31 31 0 1600
22997715 vjudge1 A Dec. 15, 2016, 5:27 a.m. OK GNU C++ TESTS 31 31 0 1600
19577955 vjudge5 A Aug. 2, 2016, 11:19 a.m. OK GNU C++ TESTS 31 31 0 1600
19153141 vjudge1 A July 15, 2016, 12:30 p.m. OK GNU C++ TESTS 31 31 0 1600
7876508 kabell A Sept. 20, 2014, 2:06 p.m. OK GNU C++0x TESTS 31 30 0 1600
8130892 whn6325689 A Oct. 7, 2014, 1:13 p.m. OK GNU C++0x TESTS 31 31 0 1600
10141555 Mikkel A March 4, 2015, 7:07 a.m. OK GNU C++0x TESTS 31 31 0 1600
9389945 yada A Jan. 9, 2015, 4:39 a.m. OK GNU C++0x TESTS 31 31 0 1600
8951880 rfaulk A Dec. 3, 2014, 12:20 p.m. OK GNU C++0x TESTS 31 31 0 1600
8933215 delta_4d A Dec. 2, 2014, 2:30 p.m. OK GNU C++0x TESTS 31 31 0 1600
8802369 khaleesi A Nov. 22, 2014, 1:35 p.m. OK GNU C++0x TESTS 31 31 0 1600
8672817 rares.buhai A Nov. 12, 2014, 2:50 p.m. OK GNU C++0x TESTS 31 31 0 1600
8218060 vjudge3 A Oct. 13, 2014, 12:34 p.m. OK GNU C++0x TESTS 31 31 0 1600
8050577 marat.snowbear A Oct. 1, 2014, 6:43 p.m. OK GNU C++0x TESTS 31 31 0 1600
30908981 vjudge3 A Oct. 1, 2017, 12:44 p.m. OK GNU C11 TESTS 31 265 0 1600
57898726 rainboy A July 28, 2019, 2:44 p.m. OK GNU C11 TESTS 31 358 0 1600
12778907 gfreire A Aug. 30, 2015, 3:48 p.m. OK GNU C11 TESTS 31 405 0 1600
30912629 vjudge3 A Oct. 1, 2017, 3:22 p.m. OK GNU C11 TESTS 31 483 409600 1600
30967580 vjudge2 A Oct. 3, 2017, 12:50 p.m. OK GNU C++11 TESTS 31 31 0 1600
30796764 hitJudge A Sept. 28, 2017, 6:48 a.m. OK GNU C++11 TESTS 31 31 0 1600
49904896 vjudge3 A Feb. 14, 2019, 11:29 a.m. OK GNU C++11 TESTS 31 31 0 1600
49382357 vjudge4 A Feb. 3, 2019, 3:29 a.m. OK GNU C++11 TESTS 31 31 0 1600
69603404 vjudge4 A Jan. 27, 2020, 8:45 a.m. OK GNU C++11 TESTS 31 31 0 1600
46934291 EricLi A Dec. 12, 2018, 1:07 p.m. OK GNU C++11 TESTS 31 31 0 1600
63101372 HARRY_YU A Oct. 22, 2019, 12:52 a.m. OK GNU C++11 TESTS 31 31 0 1600
59963581 Urielox A Sept. 3, 2019, 7:12 p.m. OK GNU C++11 TESTS 31 31 0 1600
54010414 vjudge3 A May 12, 2019, 1:40 a.m. OK GNU C++11 TESTS 31 31 0 1600
51477687 zhuwanman A March 19, 2019, 9:53 a.m. OK GNU C++11 TESTS 31 31 0 1600
27831288 2360 A June 16, 2017, 6:23 p.m. OK GNU C++14 TESTS 31 30 0 1600
30184388 ianahao A Sept. 7, 2017, 3:07 p.m. OK GNU C++14 TESTS 31 30 0 1600
26835268 tae826 A May 4, 2017, 1:12 p.m. OK GNU C++14 TESTS 31 30 0 1600
29046543 ujaval280498 A July 31, 2017, 11:26 a.m. OK GNU C++14 TESTS 31 30 1945600 1600
27957448 500kg A June 22, 2017, 5:18 a.m. OK GNU C++14 TESTS 31 30 1945600 1600
29106462 vode A Aug. 1, 2017, 4:18 p.m. OK GNU C++14 TESTS 31 30 1945600 1600
65759885 _MJiH_ A Nov. 26, 2019, 3:25 p.m. OK GNU C++14 TESTS 31 31 0 1600
69593631 vjudge1 A Jan. 27, 2020, 2:50 a.m. OK GNU C++14 TESTS 31 31 0 1600
69661109 vjudge1 A Jan. 28, 2020, 9:27 a.m. OK GNU C++14 TESTS 31 31 0 1600
61880648 D7k_ICPC A Oct. 4, 2019, 11:08 p.m. OK GNU C++14 TESTS 31 31 0 1600
46764930 nabatti99 A Dec. 8, 2018, 1:51 p.m. OK GNU C++17 TESTS 31 31 0 1600
63665816 Anish1712 A Oct. 28, 2019, 3:17 p.m. OK GNU C++17 TESTS 31 31 0 1600
63262294 Markov_Blanket A Oct. 23, 2019, 8:58 p.m. OK GNU C++17 TESTS 31 31 0 1600
63101392 vjudge2 A Oct. 22, 2019, 12:53 a.m. OK GNU C++17 TESTS 31 31 0 1600
55541542 JustasLe A June 13, 2019, 8:10 p.m. OK GNU C++17 TESTS 31 31 0 1600
54065055 hellowbaby A May 13, 2019, 1:02 p.m. OK GNU C++17 TESTS 31 31 0 1600
50578351 JonathanR A Feb. 27, 2019, 7:24 p.m. OK GNU C++17 TESTS 31 31 0 1600
46396616 mini4141 A Nov. 30, 2018, 9:45 a.m. OK GNU C++17 TESTS 31 31 0 1600
40601777 dfxc A July 21, 2018, 8:59 a.m. OK GNU C++17 TESTS 31 31 0 1600
39145097 Ouech A June 11, 2018, 11:45 a.m. OK GNU C++17 TESTS 31 31 0 1600
7953202 abc_1988_1106 A Sept. 26, 2014, 5:34 a.m. OK Haskell TESTS 31 46 102400 1600
7871322 cojna A Sept. 20, 2014, 1:23 p.m. OK Haskell TESTS 31 46 102400 1600
7870520 Rotsor A Sept. 20, 2014, 1:17 p.m. OK Haskell TESTS 31 46 102400 1600
7892180 autotaker A Sept. 21, 2014, 7:55 a.m. OK Haskell TESTS 31 62 1126400 1600
7872293 ray040123 A Sept. 20, 2014, 1:30 p.m. OK Haskell TESTS 31 171 13824000 1600
7888248 __TTS__ A Sept. 20, 2014, 9:12 p.m. OK Java 6 TESTS 31 78 102400 1600
7885299 __TTS__ A Sept. 20, 2014, 5:08 p.m. OK Java 6 TESTS 31 78 102400 1600
8139412 marcose18 A Oct. 8, 2014, 12:37 p.m. OK Java 6 TESTS 31 93 0 1600
7870855 meijun A Sept. 20, 2014, 1:19 p.m. OK Java 6 TESTS 31 93 0 1600
7896252 __TTS__ A Sept. 21, 2014, 11:57 a.m. OK Java 6 TESTS 31 93 102400 1600
7888031 __TTS__ A Sept. 20, 2014, 8:39 p.m. OK Java 6 TESTS 31 93 102400 1600
7896232 __TTS__ A Sept. 21, 2014, 11:55 a.m. OK Java 6 TESTS 31 93 204800 1600
7887996 __TTS__ A Sept. 20, 2014, 8:35 p.m. OK Java 6 TESTS 31 93 204800 1600
7885925 __TTS__ A Sept. 20, 2014, 5:53 p.m. OK Java 6 TESTS 31 93 204800 1600
7895410 __TTS__ A Sept. 21, 2014, 11:07 a.m. OK Java 6 TESTS 31 108 409600 1600
7871671 simenl A Sept. 20, 2014, 1:25 p.m. OK Java 7 TESTS 31 78 102400 1600
7888522 hama-du A Sept. 20, 2014, 10:01 p.m. OK Java 7 TESTS 31 92 204800 1600
7877112 tanzaku A Sept. 20, 2014, 2:12 p.m. OK Java 7 TESTS 31 93 0 1600
7875174 DiegoAE A Sept. 20, 2014, 1:54 p.m. OK Java 7 TESTS 31 93 0 1600
7903489 thquan A Sept. 22, 2014, 7:21 a.m. OK Java 7 TESTS 31 93 0 1600
12300774 Trasier A Aug. 1, 2015, 8:08 a.m. OK Java 7 TESTS 31 93 0 1600
9812034 stolis A Feb. 12, 2015, 10:37 p.m. OK Java 7 TESTS 31 93 0 1600
9336010 ctunoku A Dec. 31, 2014, 11:01 p.m. OK Java 7 TESTS 31 93 0 1600
8851122 spcr4 A Nov. 25, 2014, 10:14 p.m. OK Java 7 TESTS 31 93 0 1600
7899567 myduomilia A Sept. 21, 2014, 5:29 p.m. OK Java 7 TESTS 31 93 0 1600
59880731 sonusingh.nitaa A Sept. 2, 2019, 4:41 a.m. OK Java 8 TESTS 31 124 0 1600
68412617 adarsh000321 A Jan. 8, 2020, 5:35 p.m. OK Java 8 TESTS 31 124 2662400 1600
17685991 danuwfna A May 2, 2016, 7:51 a.m. OK Java 8 TESTS 31 124 20582400 1600
17881965 I_Need_Alex_R_Coleman A May 12, 2016, 9:48 p.m. OK Java 8 TESTS 31 124 20787200 1600
19782746 raunaak A Aug. 11, 2016, 11:16 a.m. OK Java 8 TESTS 31 124 25190400 1600
40235264 daniddelrio A July 12, 2018, 2:24 p.m. OK Java 8 TESTS 31 139 0 1600
20954579 pitfall A Sept. 27, 2016, 7:06 p.m. OK Java 8 TESTS 31 140 0 1600
27846318 coderbond007 A June 17, 2017, 1:02 p.m. OK Java 8 TESTS 31 140 0 1600
27846170 coderbond007 A June 17, 2017, 12:53 p.m. OK Java 8 TESTS 31 140 0 1600
23048188 joker_22 A Dec. 17, 2016, 1:19 p.m. OK Java 8 TESTS 31 140 0 1600
8175132 m1kc A Oct. 11, 2014, 1:26 p.m. OK JavaScript TESTS 31 280 4710400 1600
69986754 _justsomeguy_ A Feb. 1, 2020, 6:03 p.m. OK Kotlin TESTS 31 296 0 1600
31937733 hexagonforce A Nov. 1, 2017, 4:08 a.m. OK Mono C# TESTS 31 265 3072000 1600
51053743 nemars A March 8, 2019, 9:53 p.m. OK Mono C# TESTS 31 374 3072000 1600
8223400 camypaper A Oct. 14, 2014, 2:10 a.m. OK MS C# TESTS 31 77 3174400 1600
10339524 T-D-K A March 18, 2015, 3:21 p.m. OK MS C# TESTS 31 77 3174400 1600
11021089 sicon54 A May 7, 2015, 1:15 p.m. OK MS C# TESTS 31 77 3481600 1600
7869556 azukun A Sept. 20, 2014, 1:12 p.m. OK MS C# TESTS 31 77 3481600 1600
16058769 SisAdminos A Feb. 16, 2016, 4:02 p.m. OK MS C# TESTS 31 124 3072000 1600
7877562 hhsaffar A Sept. 20, 2014, 2:17 p.m. OK MS C# TESTS 31 249 3174400 1600
17078927 Arcey A March 31, 2016, 5:44 p.m. OK MS C# TESTS 31 280 11980800 1600
20400646 Chubcheg A Sept. 5, 2016, 1:19 p.m. OK MS C# TESTS 31 311 3072000 1600
7870399 romanova A Sept. 20, 2014, 1:17 p.m. OK MS C++ TESTS 31 31 0 1600
7873490 vpike A Sept. 20, 2014, 1:39 p.m. OK MS C++ TESTS 31 31 0 1600
7916890 vjudge2 A Sept. 23, 2014, 6:38 a.m. OK MS C++ TESTS 31 31 0 1600
23219335 vjudge5 A Dec. 22, 2016, 7:33 a.m. OK MS C++ TESTS 31 31 2048000 1600
23219331 ACorWA A Dec. 22, 2016, 7:33 a.m. OK MS C++ TESTS 31 31 2048000 1600
65820364 vjudge1 A Nov. 27, 2019, 10:11 a.m. OK MS C++ TESTS 31 46 0 1600
69577963 vjudge3 A Jan. 26, 2020, 4:13 p.m. OK MS C++ TESTS 31 46 0 1600
54433133 vjudge4 A May 21, 2019, 2:26 a.m. OK MS C++ TESTS 31 46 0 1600
56639511 vjudge4 A July 6, 2019, 11:29 p.m. OK MS C++ TESTS 31 46 0 1600
69529946 vjudge2 A Jan. 25, 2020, 4:42 p.m. OK MS C++ TESTS 31 46 0 1600
61731227 vjudge4 A Oct. 2, 2019, 4:49 p.m. OK MS C++ 2017 TESTS 31 46 0 1600
57324806 LaiWT A July 19, 2019, 11:39 a.m. OK MS C++ 2017 TESTS 31 46 0 1600
55212902 zhuiyi A June 6, 2019, 3:23 p.m. OK MS C++ 2017 TESTS 31 77 1433600 1600
58683134 CtrlAlt A Aug. 12, 2019, 8:12 p.m. OK MS C++ 2017 TESTS 31 78 0 1600
49494061 PavelChadnov A Feb. 5, 2019, 11:52 a.m. OK MS C++ 2017 TESTS 31 93 0 1600
61711522 Marrrcy A Oct. 2, 2019, 11:33 a.m. OK MS C++ 2017 TESTS 31 374 0 1600
61721917 vjudge4 A Oct. 2, 2019, 2 p.m. OK MS C++ 2017 TESTS 31 389 0 1600
7879941 Darooha A Sept. 20, 2014, 2:43 p.m. OK Ocaml TESTS 31 156 5120000 1600
7899998 knittingfrenzy18 A Sept. 21, 2014, 6:27 p.m. OK PHP TESTS 31 171 512000 1600
7900053 knittingfrenzy18 A Sept. 21, 2014, 6:37 p.m. OK PHP TESTS 31 358 0 1600
11093352 Dremov A May 13, 2015, 10:17 p.m. OK PyPy 2 TESTS 31 873 3072000 1600
66156429 daleks A Dec. 1, 2019, 11:04 p.m. OK PyPy 3 TESTS 31 296 7475200 1600
49073750 111vad111 A Jan. 28, 2019, 12:08 a.m. OK PyPy 3 TESTS 31 311 8089600 1600
60360345 best1234567 A Sept. 10, 2019, 5:57 p.m. OK PyPy 3 TESTS 31 311 10240000 1600
65754030 Mohamed_Ayman A Nov. 26, 2019, 2:13 p.m. OK PyPy 3 TESTS 31 326 9318400 1600
33380188 1500015402 A Dec. 18, 2017, 1:07 p.m. OK PyPy 3 TESTS 31 405 28876800 1600
10220084 trukanduk A March 9, 2015, 5:37 p.m. OK PyPy 3 TESTS 31 483 6963200 1600
7931140 fredy10 A Sept. 23, 2014, 9 p.m. OK Python 2 TESTS 31 77 6041600 1600
33976734 laoliumang A Jan. 7, 2018, 5:32 a.m. OK Python 2 TESTS 31 77 10547200 1600
10627293 brodo A April 8, 2015, 5:09 a.m. OK Python 2 TESTS 31 108 0 1600
7931076 fredy10 A Sept. 23, 2014, 8:50 p.m. OK Python 2 TESTS 31 108 921600 1600
7901829 ekzhang A Sept. 22, 2014, 1:39 a.m. OK Python 2 TESTS 31 109 0 1600
7995665 stp A Sept. 28, 2014, 2:49 p.m. OK Python 2 TESTS 31 109 0 1600
15914452 not_bot_but_POT A Feb. 9, 2016, 1:45 p.m. OK Python 2 TESTS 31 109 921600 1600
12088604 haiaiai A July 16, 2015, 9:02 p.m. OK Python 2 TESTS 31 109 1024000 1600
7884760 nice__guy A Sept. 20, 2014, 4:36 p.m. OK Python 2 TESTS 31 109 1638400 1600
7868990 riskingh A Sept. 20, 2014, 1:09 p.m. OK Python 2 TESTS 31 109 1638400 1600
7982269 yugle7 A Sept. 27, 2014, 9:29 a.m. OK Python 3 TESTS 31 109 10342400 1600
9288168 orailly A Dec. 28, 2014, 3 a.m. OK Python 3 TESTS 31 124 7782400 1600
9288194 orailly A Dec. 28, 2014, 3:09 a.m. OK Python 3 TESTS 31 124 7884800 1600
61450562 mpg066 A Sept. 29, 2019, 2:17 a.m. OK Python 3 TESTS 31 264 5632000 1600
7872289 jasperH A Sept. 20, 2014, 1:30 p.m. OK Python 3 TESTS 31 265 0 1600
7930042 AbdoA2 A Sept. 23, 2014, 6:08 p.m. OK Python 3 TESTS 31 265 102400 1600
44173307 SirULG A Oct. 12, 2018, 7:18 a.m. OK Python 3 TESTS 31 265 4812800 1600
61450575 vjudge4 A Sept. 29, 2019, 2:17 a.m. OK Python 3 TESTS 31 265 5836800 1600
68947186 nethish A Jan. 16, 2020, 4:37 p.m. OK Python 3 TESTS 31 295 5836800 1600
9347223 citrux A Jan. 2, 2015, 3:48 p.m. OK Python 3 TESTS 31 358 102400 1600
12698403 M.Sabra A Aug. 25, 2015, 4:49 p.m. OK Ruby TESTS 31 124 5632000 1600
8221140 tomdmitriev A Oct. 13, 2014, 5:42 p.m. OK Ruby TESTS 31 124 5632000 1600
19965435 SakurakoujiRuna A Aug. 19, 2016, 2:08 p.m. OK Ruby TESTS 31 155 6451200 1600
7869471 limed A Sept. 20, 2014, 1:11 p.m. OK Scala TESTS 31 312 204800 1600
8021081 Geezer A Sept. 29, 2014, 6:04 a.m. OK Scala TESTS 31 343 7270400 1600
14492448 reldan A Nov. 26, 2015, 12:17 p.m. OK Scala TESTS 31 826 204800 1600

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