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

Ex Input:
['x', 495, 'L', 'O', 2935, 'y', 163, 3507, 6515, '5249', '9751', '8269', '923', '10005', '9739', 'u', 'X', 'y', '4535', 'I', 'V', 'f', '8511', '8955', 's', '2255', '1', '7831', 't', 'w', 1985, 'F', 'V', 5375, 6359, 7963, 4103, 2625, 'p', 'N', 7945, 'L', 6909], [251, 'J', 'k', 4075, 'd', 'x', 'j', 'K', 'u', 605, 1667, 8527, 6845, 2537, 'O', 9259, 'o', 'B', '5249', '9751', '8269', '923', '10005', '9739', 'u', 'X', 'y', '4535', 'I', 'V', 'f', '8511', '8955', 's', '2255', '1', '7831', 't', 'j', 'S', 'H', 1289]

Ex Output:
5249, 9751, 8269, 923, 10005, 9739, u, X, y, 4535, I, V, f, 8511, 8955, s, 2255, 1, 7831, t


Ex Input:
[3645, 'a', 'r', 'H', 'F', 5289, 'Q', 'S', 'l', 'A', 'i', 'N', 4209, 'Y', 'v', 'l', 'f', 'B', 9611, 8025, 'x', 8141, 3323, 9387, 1457, 2157, 'v', '6997', '1987', '9305', 'c', '9391', 'W', 'q', 'H', 'O', '9283', '5671', '9549', 'M', '881', '6859', '3761', '7565', '2293', '1701', 'p', 'q', 'u', '8057', 'k', '1721', '4713', 'y', 'g', 'b', 5905, 'H', 'Y', 5059, 745, 'd', 1313, 'U', 7783, 'R', 'B'], ['q', 'N', 10023, 'V', 9257, 'y', 563, 'b', 8447, 2529, 'f', 4739, 9195, 'O', 1099, 4353, 'P', 821, 8169, 'S', 'r', 'b', 'v', '6997', '1987', '9305', 'c', '9391', 'W', 'q', 'H', 'O', '9283', '5671', '9549', 'M', '881', '6859', '3761', '7565', '2293', '1701', 'p', 'q', 'u', '8057', 'k', '1721', '4713', 'y', 'g', 'e', 4393, 'j', 'J', 'A', 'I', 'n', 181, 3731, 5323, 3189, 9859, 'Q', 'V', 'E', 2413, 733, 'p', 'U', 3339, 8789, 'd', 4205, 5453, 'I', 1359, 891, 4269]

Ex Output:
v, 6997, 1987, 9305, c, 9391, W, q, H, O, 9283, 5671, 9549, M, 881, 6859, 3761, 7565, 2293, 1701, p, q, u, 8057, k, 1721, 4713, y, g


Ex Input:
['I', 'm', 'R', 's', '1737', '169', 'v', '7069', 'x', 'H', 'P', '405', '1859', 'm', '3875', 'A', '6491', 's', 7173, 'c', 'Y', 4359, 'g', 2835, 't', 'B', 9407, 5509, 479, 'e'], ['I', 'q', 913, 'S', 2569, 1821, 'I', 9733, 'g', 'L', '1737', '169', 'v', '7069', 'x', 'H', 'P', '405', '1859', 'm', '3875', 'A', '6491', 'N', 4141, 3575, 'Y', 9967, 'Z', 455, 2867, 'e', 4339, 'q']

Ex Output:

1737, 169, v, 7069, x, H, P, 405, 1859, m, 3875, A, 6491