In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

Ex Input:
['Y', 6449, 'w', 5543, 4639, 1899, 'd', 3489, 'x', 'c', 2891, 'H', 9885, 't', 'N', 's', 'A', 'E', '3601', 'p', 'n', 'm', 'y', '6587', 'v', '247', 'k', '7529', 'T', '623', '8713', '7551', '3433', '7981', 'q', 'F', 'n', '3275', '3265', 'n', 'P', 'M', 'D', 'U', 6013, 5931, 2445, 'f', 7619, 'm', 6105, 'l'], [453, 583, 'Q', 5309, 2713, 'E', 5809, 'w', 'T', 9873, 4971, 8173, 1659, 2277, 'y', 8653, 1569, 'M', 't', 'N', 's', 'A', 'E', '3601', 'p', 'n', 'm', 'y', '6587', 'v', '247', 'k', '7529', 'T', '623', '8713', '7551', '3433', '7981', 'q', 'F', 'n', '3275', '3265', 'n', 'C', 'W', 'r', 'x', 'H', 3247, 'G', 'R', 7035, 6599, 'U', 't']

Ex Output:
t, N, s, A, E, 3601, p, n, m, y, 6587, v, 247, k, 7529, T, 623, 8713, 7551, 3433, 7981, q, F, n, 3275, 3265, n


Ex Input:
[1291, 3229, 'C', 'P', 5501, 'M', 7039, '5337', 'L', '5089', 'q', '9619', '2651', '2899', '1103', '7949', 'T', '199', 'N', '4359', 'g', '597', '2195', 'F', '8427', '7741', '3033', '4565', '4957', 'Y', '37', '9017', 'k', '2555', 'z', '4683', 'q', 'p', 2557, 797, 'z', 'p', 'z', 'K'], ['a', 6929, 'h', 'r', 'Q', 'v', 'L', 4801, 'J', 1849, 4197, 5077, '5337', 'L', '5089', 'q', '9619', '2651', '2899', '1103', '7949', 'T', '199', 'N', '4359', 'g', '597', '2195', 'F', '8427', '7741', '3033', '4565', '4957', 'Y', '37', '9017', 'k', '2555', 'z', '4683', 'q', 'N', 773, 'g', 2295, 7477, 'R', 'I', 6823, 9695, 'v', 543, 'R', 7201, 9203, 1731, 'v', 4213, 767, 4273, 6557, 4155, 5339, 9859, 'w', 'D']

Ex Output:
5337, L, 5089, q, 9619, 2651, 2899, 1103, 7949, T, 199, N, 4359, g, 597, 2195, F, 8427, 7741, 3033, 4565, 4957, Y, 37, 9017, k, 2555, z, 4683, q


Ex Input:
[6389, 2637, 8027, 'e', 6637, 6233, 7893, 4549, 5451, 'h', 'E', '7055', 'v', 't', '9167', 'G', '8615', '8457', 'X', 'd', 'E', '5389', 'L', '5709', '7573', 'v', 'k', '4363', 'F', 'O', 'M', 'p', 'w', 'R', 'v', 3041, 'I', 4663, 4999, 'L', 'U', 4399, 4719], ['k', 'D', 'v', 'Y', 'h', 'r', 'F', 2875, 8627, 'G', 1823, 'Q', 2669, 'e', 9409, 631, '7055', 'v', 't', '9167', 'G', '8615', '8457', 'X', 'd', 'E', '5389', 'L', '5709', '7573', 'v', 'k', '4363', 'F', 'O', 'M', 'p', 'w', 'u', 9109, 8329, 6127]

Ex Output:

7055, v, t, 9167, G, 8615, 8457, X, d, E, 5389, L, 5709, 7573, v, k, 4363, F, O, M, p, w