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

Ex Input:
[8507, 'H', 'o', 'N', 'r', 'I', 3733, 'r', 6877, 5193, 1389, 7105, '8513', 'A', '5801', 'M', '1339', '6353', 'C', '3591', 'W', '7703', 'D', 'i', '1975', '9169', '7427', '8345', 'l', 'C', 'C', 'd', '7579', '1463', '8451', 'H', 'K', 'u', '8561', 'x', 3575, 'A', 7405, 'o', 'J', 6163, 'y', 'O', 'g', 7633, 'A', 6531, 4627, 'P', 'O', 'j', 'S', 'b', 'c', 'V', 7923, 'K', 'i', 5625, 893, 'V'], ['W', 'O', 6909, 'a', 1667, 'n', 'D', 'i', 7719, 4109, 4167, 4099, 5473, 'b', 'g', 'R', '8513', 'A', '5801', 'M', '1339', '6353', 'C', '3591', 'W', '7703', 'D', 'i', '1975', '9169', '7427', '8345', 'l', 'C', 'C', 'd', '7579', '1463', '8451', 'H', 'K', 'u', '8561', 'h', 'Z', 383, 2829, 5461, 1851, 'F', 'l', 981, 6545, 'v', 7707, 'W', 675, 'V', 'C', 599, 'd', 1967, 'X', 'y', 'B', 'K']

Ex Output:
8513, A, 5801, M, 1339, 6353, C, 3591, W, 7703, D, i, 1975, 9169, 7427, 8345, l, C, C, d, 7579, 1463, 8451, H, K, u, 8561


Ex Input:
[2413, 'l', 'o', 9687, 3939, 6935, '7821', '9179', '8181', 'K', '4993', '4813', 'x', 'A', 'O', '2477', 'b', 'H', 'I', 'z', 'I'], [4625, 6943, 'e', 'B', 'p', 'r', 'y', '7821', '9179', '8181', 'K', '4993', '4813', 'x', 'A', 'O', '2477', 'b', 'H', 'I', 'G', 'L', 8247, 'N', 8965, 8763, 'N', 'p', 7181, 'A', 'J', 'W']

Ex Output:
7821, 9179, 8181, K, 4993, 4813, x, A, O, 2477, b, H, I


Ex Input:
['C', 'd', 'U', 'O', 'X', 'Q', 75, 'n', '1745', '4477', '5381', 'S', 'G', '257', 'Q', '2891', 'e', 'U'], ['G', 'H', 7457, 'N', '1745', '4477', '5381', 'S', 'G', '257', 'Q', '2891', 'G', 'x', 'm', 865, 9285, 1495, 'l', 'J']

Ex Output:

1745, 4477, 5381, S, G, 257, Q, 2891