The Rebel fleet is afraid that the Empire might want to strike back again. Princess Heidi needs to know if it is possible to assign *R* Rebel spaceships to guard *B* bases so that every base has exactly one guardian and each spaceship has exactly one assigned base (in other words, the assignment is a perfect matching). Since she knows how reckless her pilots are, she wants to be sure that any two (straight) paths – from a base to its assigned spaceship – do not intersect in the galaxy plane (that is, in 2D), and so there is no risk of collision.
The first line contains two space-separated integers *R*, *B*(1 ≤ *R*, *B* ≤ 10). For 1 ≤ *i* ≤ *R*, the *i* + 1-th line contains two space-separated integers *x*<sub class="lower-index">*i*</sub> and *y*<sub class="lower-index">*i*</sub> (|*x*<sub class="lower-index">*i*</sub>|, |*y*<sub class="lower-index">*i*</sub>| ≤ 10000) denoting the coordinates of the *i*-th Rebel spaceship. The following *B* lines have the same format, denoting the position of bases. It is guaranteed that no two points coincide and that no three points are on the same line.
For the first example, one possible way is to connect the Rebels and bases in order.

For the second example, there is no perfect matching between Rebels and bases.
3 3
0 0
2 0
3 1
-2 1
0 3
2 2
Yes
2 1
1 0
2 2
3 1
No
1 1
3686 4362
-7485 5112
Yes
1 2
1152 -7324
-5137 -35
-6045 -5271
No
1 3
-8824 -9306
-5646 -9767
8123 9355
-6203 -1643
No
1 5
-8775 6730
-3806 -6906
-9256 -8240
-1320 6849
8155 746
8284 -7317
No
1 8
8741 3638
381 -9191
7534 8792
-8848 -414
2926 -7444
9475 559
6938 2359
2570 4721
3329 -9365
No
1 9
6207 1655
2728 8520
9142 3418
-1258 -8727
5370 3161
-5167 -7691
517 2242
3702 -9904
-6862 -2997
2524 -5492
No
1 10
9424 3979
-8582 9252
-2432 -3287
-4247 1932
-9491 5544
-635 5689
8260 -6790
8841 3067
-5624 -1990
1569 1045
-8844 -8462
No
2 1
2893 -5488
-5087 -5042
-8928 -9453
No
2 2
359 -29
6964 -7332
2384 -4529
4434 2253
Yes
2 3
-9617 845
4195 -2181
-6305 -9903
-535 -6060
9417 -8419
No
2 5
-9568 -3121
-1408 2942
-827 -7497
4348 2432
-7958 231
6440 1896
2647 -1305
No
2 8
7948 3490
2779 3512
3403 -3024
-3180 -4831
6815 4601
7631 9772
-6320 -1060
5592 362
-785 4040
8030 3272
No
2 9
5414 -8195
-5171 -1634
5012 4161
-5888 -585
9258 2646
5548 1523
7259 -8619
9580 5738
-8715 706
-2232 -3280
1866 1775
No
2 10
-5118 -3971
-1169 -9140
-7807 -3139
9702 -5328
8555 3460
-1442 -733
701 -2802
-5784 2578
8186 -4810
-2722 -1013
-9437 4021
-5403 -1331
No
3 1
-8199 -7896
7015 -4898
-499 -8710
9953 -6411
No
3 2
9268 -9879
4245 2515
-9188 -3786
-2458 -2165
3420 463
No
3 3
-8149 697
6593 7667
2123 -9160
-5165 9523
747 -8933
-1536 -2691
Yes
3 5
-658 7030
990 3086
-4958 -6755
7159 -1986
5634 -7726
1740 -1450
1947 7835
-2755 -4709
No
3 8
-3143 -6360
-5121 -6641
-727 -9723
-369 454
-9298 4086
5787 -1016
2683 -9660
-1089 1121
-4898 7743
418 5485
7425 -6644
No
3 9
6882 -8342
4669 -8932
882 4904
-220 4700
587 -5311
3704 -1823
6559 -6921
-7399 6497
-5387 -5890
-9844 -1067
5367 -7237
-8314 -939
No
3 10
-7100 -1623
-3459 2172
9676 1595
-6053 4558
-842 8819
-9691 3144
3440 -9112
7034 4946
4851 -2513
430 4372
-7175 -3497
5719 381
-8859 -1347
No
5 1
9621 -154
6694 -2348
944 -7225
-1568 -5543
-3805 -872
1204 -2651
No
5 2
-355 -9579
-1256 -4638
-4890 7402
-1420 -1297
-1362 2290
-879 9101
9514 -6689
No
5 3
9670 8440
1091 -9784
6422 4884
3314 -9610
8523 -7107
-2963 8293
3092 -3950
-4093 -6502
No
5 5
-2840 4475
2931 -6923
-659 -8125
8197 -1118
851 -5899
313 6679
-9751 6115
-6415 4250
-227 -9732
-6282 5041
Yes
5 8
-5325 1383
-5441 3351
-3870 1465
669 -8381
-4377 5913
4360 -329
8725 8620
7810 -2479
4019 4850
8052 9911
4130 -4668
3744 2537
-7171 -3933
No
5 9
-2742 -600
6609 8502
-5118 6389
-4300 5568
-1934 -3484
9719 -1137
2303 -8641
1500 2897
-6172 -8783
-2210 -6939
9514 -5262
-3773 -4081
1983 -4032
4503 -3496
No
5 10
1493 7658
-598 7650
9226 -964
2439 -3114
366 2391
-1008 -2258
6063 8568
7488 6824
-4674 9523
9590 9960
-8361 -8234
520 -1312
-3878 -1142
-8261 -239
-2346 -2362
No
8 1
-796 -1
3591 -2510
-6330 4706
-7422 -9093
7860 -7002
5375 -5310
3538 3108
-9851 -9798
-8884 -170
No
8 2
-3330 -1983
-6621 -4800
-4721 9630
9871 -4847
-2256 -8957
3292 -6118
4558 -6712
-5863 5282
-9373 3938
-5179 -8073
No
8 3
6695 8593
-7129 352
6590 -5447
-2540 -3457
7630 1647
8651 5634
-1864 -6829
7828 -1901
-7005 -9695
4561 -4921
-4782 -6478
No
8 5
6744 2367
-5290 -7085
-491 6662
2343 -2407
-43 2855
-8075 6875
-7265 -4206
-4197 8851
7433 780
4038 -8321
-1455 -7665
3139 -1225
9884 -167
No
8 8
4260 1536
-8545 6045
-3702 3693
-5185 -2228
-5271 -5335
-4027 4453
-8790 8598
7172 -5320
-880 -4638
-1630 -3452
2076 8296
-9116 -5599
2461 9832
4268 5116
-7582 -805
3548 3776
Yes
8 9
-5716 6995
1245 3754
7610 8617
-451 -5424
-2828 5270
-6111 6502
-2653 1039
3718 7498
-8810 -7973
667 -300
-2838 -2001
3367 5523
-8386 -2827
6929 -6260
3247 1167
1873 6265
4376 -8781
No
8 10
5844 -8156
9676 -8121
-6302 -1050
-4823 -8343
4736 -3859
9129 5920
-3990 2792
3615 -8930
-7831 -8703
-5542 931
7599 -7930
8705 -8735
-6438 1724
-7568 -8351
5893 2316
2574 -9723
2416 3827
856 -4877
No
9 1
8114 -9851
872 -9807
9541 5449
7948 -3808
8892 -7517
-6767 3903
-18 -311
-3973 5845
-3295 3533
-4790 -4426
No
9 2
5580 8167
-7078 -4655
3707 -9628
2980 438
1632 -9472
-8850 -4346
-6440 2428
-2841 923
6515 -2658
-2492 -8716
8219 5104
No
9 3
8163 6185
-4731 2757
-4982 -4704
3128 4684
-8483 1132
6807 2288
4878 2311
-6295 6299
8882 -5992
-195 4733
6162 4510
-7264 -1020
No
9 5
-4347 -5222
-2891 5618
-4621 7404
-4548 -6825
3846 2340
2640 3530
-7965 4934
-8617 -2950
-9240 4483
-718 6451
-8251 -6379
558 3484
9861 -6432
483 -7331
No
9 8
-6832 -872
1295 -4109
-7832 -8123
-2373 -6646
-1383 -5849
3832 -6334
-7229 -2263
-6951 -9678
4709 1326
-6386 -1239
2721 -8159
-4255 -890
9880 3567
3349 5921
2487 -828
-783 2422
-5497 -8399
No
9 9
3193 -2855
787 -6399
3479 9360
5217 -9842
1061 4755
1748 -7142
-6209 -2380
6740 -4302
-5482 5433
3353 -5529
664 1546
8228 -9769
-8409 -1650
893 9365
-9542 8585
7245 -9972
-475 -6359
-3775 2139
Yes
9 10
-3581 3894
7385 3191
-8820 6540
-577 -5900
2781 -5943
8322 -7944
-1251 -5779
-3567 3140
8835 -6406
-2390 -1126
7006 4553
-174 -7023
-6538 1530
3318 2477
7864 -9657
-2379 -6961
4456 9852
1462 -5871
-9931 6466
No
10 1
3362 3137
-6006 -2168
-9207 8006
-6284 -114
4617 -4997
-4360 3540
-6423 2328
-8768 8468
2899 1032
-7561 -3623
6979 653
No
10 2
5945 8596
-3658 -4459
-7598 -7071
3567 4132
7060 -1835
-6443 -4709
4895 2211
-4780 3546
5266 7400
2178 -472
4922 -9643
4163 6030
No
10 3
3411 6614
8392 693
-8846 7555
-1402 -4181
-3055 -3789
4033 -5516
-1527 4950
-792 8922
-4925 4065
4475 5536
-9695 9764
6943 -2849
7022 1986
No
10 5
3460 5504
529 -6744
4075 9961
-3961 4311
-7871 9977
7308 -4275
-6928 7573
-3114 -327
-3046 -5461
3953 4398
-4106 -3981
-8092 -8048
7590 9228
9433 -4
-8808 -6742
No
10 8
8417 -444
-5582 6386
863 6992
-4047 6751
-5658 1788
-1204 5862
-6192 -2480
813 -7056
-9098 -1176
-1715 -3292
6866 -2905
-7788 137
7609 -774
-7702 -6753
-6622 -3090
3089 -7006
-9374 1882
-481 -5698
No
10 9
-9001 -9868
4207 1240
-7826 1618
-6755 3555
-3214 -167
4155 -4648
-2316 259
4801 -1679
-6730 8048
-4535 -9843
4809 -5759
4695 -8742
9321 -5991
2401 4133
6468 6324
1414 -9103
-6613 3922
5544 -5092
-6777 -788
No
10 10
8530 -3814
-9330 -6035
3951 -217
-9276 8291
636 -3118
5024 -2403
4601 7977
-3620 -1428
4954 -9632
-9852 6553
-3457 5430
-8866 -7343
1020 -5748
5043 -3820
-2832 1528
-5058 -825
2406 -3530
9152 -7463
-8547 7108
2492 8953
Yes
a,b = map(int, input().split())
if(a==b): print("YES")
else: print("NO")