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

Ex Input:
['u', 4637, 'h', 2259, 'M', 'i', 'h', 'X', 7083, 'o', 't', 9421, 't', 785, 'Y', 'Y', '5531', 'P', 'x', 'b', '4899', 'Y', '8909', '7749', 'k', '4049', '1237', 'M', '8579', 'N', '3167', '9123', '6973', '4981', 'I', '7231', '9783', '9823', 'c', 'e', '7169', '4003', 'C', 8237, 9899, 'M', 3217, 4903, 'I', 5279, 'T', 6849, 3373, 'x', 'S', 'l', 8665, 'V', 'v', 'I', 'A', 'E', 4367, 9513, 'i', 2897, 3433, 8091, 5011], [5327, 4587, 'E', 'w', 4287, 'W', 3339, 2729, 'q', 'Y', '5531', 'P', 'x', 'b', '4899', 'Y', '8909', '7749', 'k', '4049', '1237', 'M', '8579', 'N', '3167', '9123', '6973', '4981', 'I', '7231', '9783', '9823', 'c', 'e', '7169', '4003', 'p', 7351, 4915, 4485, 7747]

Ex Output:
Y, 5531, P, x, b, 4899, Y, 8909, 7749, k, 4049, 1237, M, 8579, N, 3167, 9123, 6973, 4981, I, 7231, 9783, 9823, c, e, 7169, 4003


Ex Input:
['o', 'R', 'l', 'y', 8351, 3995, 8667, 'X', 'r', 7749, 's', 9049, 'X', 10021, 'L', '295', 'M', '6251', 'k', '925', '9911', '6105', 'o', '7871', 'T', 'h', '7613', '2341', '4205', 'L', 'j', 'F', 4501, 'N', 'g', 'k', 1891, 8829, 'h', 4055], [3261, 'x', 5565, 'e', 773, 'j', 'h', 317, 5829, 'k', 's', 'I', 2339, 3391, 'L', 'U', 2339, 'L', '295', 'M', '6251', 'k', '925', '9911', '6105', 'o', '7871', 'T', 'h', '7613', '2341', '4205', 'L', 'j', 'g', 5447, 9137, 5965, 'F', 7181, 7811, 9655, 8301, 6751, 't', 1153, 657]

Ex Output:
L, 295, M, 6251, k, 925, 9911, 6105, o, 7871, T, h, 7613, 2341, 4205, L, j


Ex Input:
[1973, 'A', '7045', '2583', '4661', '8477', 'l', '1737', 'J', 'a', 'R', 'K', 'd', '4419', '2907', '5157', '7185', 'E', 'w', 845], [6341, 'i', 3553, 'g', 'K', 'K', 6649, 'p', 3279, 6389, 'K', 'E', 'V', 'j', '7045', '2583', '4661', '8477', 'l', '1737', 'J', 'a', 'R', 'K', 'd', '4419', '2907', '5157', '7185', 'Z', 447, 'G', 'Y', 'z', 6619, 'T', 3921, 3725, 4477, 891, 2725]

Ex Output:

7045, 2583, 4661, 8477, l, 1737, J, a, R, K, d, 4419, 2907, 5157, 7185