1000 1000 
1>3,5
2>4,6
3>5,7
4>6,8
5>7,9
6>8,10
7>9,11
8>10,12
9>11,13
10>12,14
11>13,15
12>14,16
13>15,17
14>16,18
15>17,19
16>18,20
17>19,21
18>20,22
19>21,23
20>22,24
21>23,25
22>24,26
23>25,27
24>26,28
25>27,29
26>28,30
27>29,31
28>30,32
29>31,33
30>32,34
31>33,35
32>34,36
33>35,37
34>36,38
35>37,39
36>38,40
37>39,41
38>40,42
39>41,43
40>42,44
41>43,45
42>44,46
43>45,47
44>46,48
45>47,49
46>48,50
47>49,51
48>50,52
49>51,53
50>52,54
51>53,55
52>54,56
53>55,57
54>56,58
55>57,59
56>58,60
57>59,61
58>60,62
59>61,63
60>62,64
61>63,65
62>64,66
63>65,67
64>66,68
65>67,69
66>68,70
67>69,71
68>70,72
69>71,73
70>72,74
71>73,75
72>74,76
73>75,77
74>76,78
75>77,79
76>78,80
77>79,81
78>80,82
79>81,83
80>82,84
81>83,85
82>84,86
83>85,87
84>86,88
85>87,89
86>88,90
87>89,91
88>90,92
89>91,93
90>92,94
91>93,95
92>94,96
93>95,97
94>96,98
95>97,99
96>98,100
97>99,101
98>100,102
99>101,103
100>102,104
101>103,105
102>104,106
103>105,107
104>106,108
105>107,109
106>108,110
107>109,111
108>110,112
109>111,113
110>112,114
111>113,115
112>114,116
113>115,117
114>116,118
115>117,119
116>118,120
117>119,121
118>120,122
119>121,123
120>122,124
121>123,125
122>124,126
123>125,127
124>126,128
125>127,129
126>128,130
127>129,131
128>130,132
129>131,133
130>132,134
131>133,135
132>134,136
133>135,137
134>136,138
135>137,139
136>138,140
137>139,141
138>140,142
139>141,143
140>142,144
141>143,145
142>144,146
143>145,147
144>146,148
145>147,149
146>148,150
147>149,151
148>150,152
149>151,153
150>152,154
151>153,155
152>154,156
153>155,157
154>156,158
155>157,159
156>158,160
157>159,161
158>160,162
159>161,163
160>162,164
161>163,165
162>164,166
163>165,167
164>166,168
165>167,169
166>168,170
167>169,171
168>170,172
169>171,173
170>172,174
171>173,175
172>174,176
173>175,177
174>176,178
175>177,179
176>178,180
177>179,181
178>180,182
179>181,183
180>182,184
181>183,185
182>184,186
183>185,187
184>186,188
185>187,189
186>188,190
187>189,191
188>190,192
189>191,193
190>192,194
191>193,195
192>194,196
193>195,197
194>196,198
195>197,199
196>198,200
197>199,201
198>200,202
199>201,203
200>202,204
201>203,205
202>204,206
203>205,207
204>206,208
205>207,209
206>208,210
207>209,211
208>210,212
209>211,213
210>212,214
211>213,215
212>214,216
213>215,217
214>216,218
215>217,219
216>218,220
217>219,221
218>220,222
219>221,223
220>222,224
221>223,225
222>224,226
223>225,227
224>226,228
225>227,229
226>228,230
227>229,231
228>230,232
229>231,233
230>232,234
231>233,235
232>234,236
233>235,237
234>236,238
235>237,239
236>238,240
237>239,241
238>240,242
239>241,243
240>242,244
241>243,245
242>244,246
243>245,247
244>246,248
245>247,249
246>248,250
247>249,251
248>250,252
249>251,253
250>252,254
251>253,255
252>254,256
253>255,257
254>256,258
255>257,259
256>258,260
257>259,261
258>260,262
259>261,263
260>262,264
261>263,265
262>264,266
263>265,267
264>266,268
265>267,269
266>268,270
267>269,271
268>270,272
269>271,273
270>272,274
271>273,275
272>274,276
273>275,277
274>276,278
275>277,279
276>278,280
277>279,281
278>280,282
279>281,283
280>282,284
281>283,285
282>284,286
283>285,287
284>286,288
285>287,289
286>288,290
287>289,291
288>290,292
289>291,293
290>292,294
291>293,295
292>294,296
293>295,297
294>296,298
295>297,299
296>298,300
297>299,301
298>300,302
299>301,303
300>302,304
301>303,305
302>304,306
303>305,307
304>306,308
305>307,309
306>308,310
307>309,311
308>310,312
309>311,313
310>312,314
311>313,315
312>314,316
313>315,317
314>316,318
315>317,319
316>318,320
317>319,321
318>320,322
319>321,323
320>322,324
321>323,325
322>324,326
323>325,327
324>326,328
325>327,329
326>328,330
327>329,331
328>330,332
329>331,333
330>332,334
331>333,335
332>334,336
333>335,337
334>336,338
335>337,339
336>338,340
337>339,341
338>340,342
339>341,343
340>342,344
341>343,345
342>344,346
343>345,347
344>346,348
345>347,349
346>348,350
347>349,351
348>350,352
349>351,353
350>352,354
351>353,355
352>354,356
353>355,357
354>356,358
355>357,359
356>358,360
357>359,361
358>360,362
359>361,363
360>362,364
361>363,365
362>364,366
363>365,367
364>366,368
365>367,369
366>368,370
367>369,371
368>370,372
369>371,373
370>372,374
371>373,375
372>374,376
373>375,377
374>376,378
375>377,379
376>378,380
377>379,381
378>380,382
379>381,383
380>382,384
381>383,385
382>384,386
383>385,387
384>386,388
385>387,389
386>388,390
387>389,391
388>390,392
389>391,393
390>392,394
391>393,395
392>394,396
393>395,397
394>396,398
395>397,399
396>398,400
397>399,401
398>400,402
399>401,403
400>402,404
401>403,405
402>404,406
403>405,407
404>406,408
405>407,409
406>408,410
407>409,411
408>410,412
409>411,413
410>412,414
411>413,415
412>414,416
413>415,417
414>416,418
415>417,419
416>418,420
417>419,421
418>420,422
419>421,423
420>422,424
421>423,425
422>424,426
423>425,427
424>426,428
425>427,429
426>428,430
427>429,431
428>430,432
429>431,433
430>432,434
431>433,435
432>434,436
433>435,437
434>436,438
435>437,439
436>438,440
437>439,441
438>440,442
439>441,443
440>442,444
441>443,445
442>444,446
443>445,447
444>446,448
445>447,449
446>448,450
447>449,451
448>450,452
449>451,453
450>452,454
451>453,455
452>454,456
453>455,457
454>456,458
455>457,459
456>458,460
457>459,461
458>460,462
459>461,463
460>462,464
461>463,465
462>464,466
463>465,467
464>466,468
465>467,469
466>468,470
467>469,471
468>470,472
469>471,473
470>472,474
471>473,475
472>474,476
473>475,477
474>476,478
475>477,479
476>478,480
477>479,481
478>480,482
479>481,483
480>482,484
481>483,485
482>484,486
483>485,487
484>486,488
485>487,489
486>488,490
487>489,491
488>490,492
489>491,493
490>492,494
491>493,495
492>494,496
493>495,497
494>496,498
495>497,499
496>498,500
497>499,501
498>500,502
499>501,503
500>502,504
501>503,505
502>504,506
503>505,507
504>506,508
505>507,509
506>508,510
507>509,511
508>510,512
509>511,513
510>512,514
511>513,515
512>514,516
513>515,517
514>516,518
515>517,519
516>518,520
517>519,521
518>520,522
519>521,523
520>522,524
521>523,525
522>524,526
523>525,527
524>526,528
525>527,529
526>528,530
527>529,531
528>530,532
529>531,533
530>532,534
531>533,535
532>534,536
533>535,537
534>536,538
535>537,539
536>538,540
537>539,541
538>540,542
539>541,543
540>542,544
541>543,545
542>544,546
543>545,547
544>546,548
545>547,549
546>548,550
547>549,551
548>550,552
549>551,553
550>552,554
551>553,555
552>554,556
553>555,557
554>556,558
555>557,559
556>558,560
557>559,561
558>560,562
559>561,563
560>562,564
561>563,565
562>564,566
563>565,567
564>566,568
565>567,569
566>568,570
567>569,571
568>570,572
569>571,573
570>572,574
571>573,575
572>574,576
573>575,577
574>576,578
575>577,579
576>578,580
577>579,581
578>580,582
579>581,583
580>582,584
581>583,585
582>584,586
583>585,587
584>586,588
585>587,589
586>588,590
587>589,591
588>590,592
589>591,593
590>592,594
591>593,595
592>594,596
593>595,597
594>596,598
595>597,599
596>598,600
597>599,601
598>600,602
599>601,603
600>602,604
601>603,605
602>604,606
603>605,607
604>606,608
605>607,609
606>608,610
607>609,611
608>610,612
609>611,613
610>612,614
611>613,615
612>614,616
613>615,617
614>616,618
615>617,619
616>618,620
617>619,621
618>620,622
619>621,623
620>622,624
621>623,625
622>624,626
623>625,627
624>626,628
625>627,629
626>628,630
627>629,631
628>630,632
629>631,633
630>632,634
631>633,635
632>634,636
633>635,637
634>636,638
635>637,639
636>638,640
637>639,641
638>640,642
639>641,643
640>642,644
641>643,645
642>644,646
643>645,647
644>646,648
645>647,649
646>648,650
647>649,651
648>650,652
649>651,653
650>652,654
651>653,655
652>654,656
653>655,657
654>656,658
655>657,659
656>658,660
657>659,661
658>660,662
659>661,663
660>662,664
661>663,665
662>664,666
663>665,667
664>666,668
665>667,669
666>668,670
667>669,671
668>670,672
669>671,673
670>672,674
671>673,675
672>674,676
673>675,677
674>676,678
675>677,679
676>678,680
677>679,681
678>680,682
679>681,683
680>682,684
681>683,685
682>684,686
683>685,687
684>686,688
685>687,689
686>688,690
687>689,691
688>690,692
689>691,693
690>692,694
691>693,695
692>694,696
693>695,697
694>696,698
695>697,699
696>698,700
697>699,701
698>700,702
699>701,703
700>702,704
701>703,705
702>704,706
703>705,707
704>706,708
705>707,709
706>708,710
707>709,711
708>710,712
709>711,713
710>712,714
711>713,715
712>714,716
713>715,717
714>716,718
715>717,719
716>718,720
717>719,721
718>720,722
719>721,723
720>722,724
721>723,725
722>724,726
723>725,727
724>726,728
725>727,729
726>728,730
727>729,731
728>730,732
729>731,733
730>732,734
731>733,735
732>734,736
733>735,737
734>736,738
735>737,739
736>738,740
737>739,741
738>740,742
739>741,743
740>742,744
741>743,745
742>744,746
743>745,747
744>746,748
745>747,749
746>748,750
747>749,751
748>750,752
749>751,753
750>752,754
751>753,755
752>754,756
753>755,757
754>756,758
755>757,759
756>758,760
757>759,761
758>760,762
759>761,763
760>762,764
761>763,765
762>764,766
763>765,767
764>766,768
765>767,769
766>768,770
767>769,771
768>770,772
769>771,773
770>772,774
771>773,775
772>774,776
773>775,777
774>776,778
775>777,779
776>778,780
777>779,781
778>780,782
779>781,783
780>782,784
781>783,785
782>784,786
783>785,787
784>786,788
785>787,789
786>788,790
787>789,791
788>790,792
789>791,793
790>792,794
791>793,795
792>794,796
793>795,797
794>796,798
795>797,799
796>798,800
797>799,801
798>800,802
799>801,803
800>802,804
801>803,805
802>804,806
803>805,807
804>806,808
805>807,809
806>808,810
807>809,811
808>810,812
809>811,813
810>812,814
811>813,815
812>814,816
813>815,817
814>816,818
815>817,819
816>818,820
817>819,821
818>820,822
819>821,823
820>822,824
821>823,825
822>824,826
823>825,827
824>826,828
825>827,829
826>828,830
827>829,831
828>830,832
829>831,833
830>832,834
831>833,835
832>834,836
833>835,837
834>836,838
835>837,839
836>838,840
837>839,841
838>840,842
839>841,843
840>842,844
841>843,845
842>844,846
843>845,847
844>846,848
845>847,849
846>848,850
847>849,851
848>850,852
849>851,853
850>852,854
851>853,855
852>854,856
853>855,857
854>856,858
855>857,859
856>858,860
857>859,861
858>860,862
859>861,863
860>862,864
861>863,865
862>864,866
863>865,867
864>866,868
865>867,869
866>868,870
867>869,871
868>870,872
869>871,873
870>872,874
871>873,875
872>874,876
873>875,877
874>876,878
875>877,879
876>878,880
877>879,881
878>880,882
879>881,883
880>882,884
881>883,885
882>884,886
883>885,887
884>886,888
885>887,889
886>888,890
887>889,891
888>890,892
889>891,893
890>892,894
891>893,895
892>894,896
893>895,897
894>896,898
895>897,899
896>898,900
897>899,901
898>900,902
899>901,903
900>902,904
901>903,905
902>904,906
903>905,907
904>906,908
905>907,909
906>908,910
907>909,911
908>910,912
909>911,913
910>912,914
911>913,915
912>914,916
913>915,917
914>916,918
915>917,919
916>918,920
917>919,921
918>920,922
919>921,923
920>922,924
921>923,925
922>924,926
923>925,927
924>926,928
925>927,929
926>928,930
927>929,931
928>930,932
929>931,933
930>932,934
931>933,935
932>934,936
933>935,937
934>936,938
935>937,939
936>938,940
937>939,941
938>940,942
939>941,943
940>942,944
941>943,945
942>944,946
943>945,947
944>946,948
945>947,949
946>948,950
947>949,951
948>950,952
949>951,953
950>952,954
951>953,955
952>954,956
953>955,957
954>956,958
955>957,959
956>958,960
957>959,961
958>960,962
959>961,963
960>962,964
961>963,965
962>964,966
963>965,967
964>966,968
965>967,969
966>968,970
967>969,971
968>970,972
969>971,973
970>972,974
971>973,975
972>974,976
973>975,977
974>976,978
975>977,979
976>978,980
977>979,981
978>980,982
979>981,983
980>982,984
981>983,985
982>984,986
983>985,987
984>986,988
985>987,989
986>988,990
987>989,991
988>990,992
989>991,993
990>992,994
991>993,995
992>994,996
993>995,997
994>996,998
995>997,999
996>998,1000
997,999>2
999,2>4
995,997>999
996,998>1000