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

Ex Input:
[9273, 'C', 'u', 6963, 'W', 7827, 3953, 'p', 6281, 7421, 'j', 'Y', 'P', 253, 5393, 'k', 9437, 'f', 6067, 'l', 6167, 'j', 'o', 'y', 'R', '5165', 'K', '6947', '2583', '3721', 'u', 'b', 'e', 'G', 'B', '3777', '623', '8995', '7339', 'b', '8633', '6783', 'l', 'q', '9637', '2791', '6545', 'W', 'G', 'a', 'v', 'h', 3895, 'C', 719, 1945, 'S'], ['G', 4797, 'z', 9055, 'c', 't', 7175, 1231, 'I', 'X', 1415, 'n', 7801, 'K', 7581, 'X', 3735, 'a', 'R', '5165', 'K', '6947', '2583', '3721', 'u', 'b', 'e', 'G', 'B', '3777', '623', '8995', '7339', 'b', '8633', '6783', 'l', 'q', '9637', '2791', '6545', 'W', 'G', 'a', 'C', 'E', 'p', 'e', 'O', 'O', 9127, 'c', 6151, 5929, 'v', 'Z', 6375, 'F', 6255, 6803, 'Y', 'Z', 6865, 5889, 1719, 305, 5127, 'g', 'x', 8743]

Ex Output:
R, 5165, K, 6947, 2583, 3721, u, b, e, G, B, 3777, 623, 8995, 7339, b, 8633, 6783, l, q, 9637, 2791, 6545, W, G, a


Ex Input:
[1057, 8997, 6853, 1935, 't', '3929', '9627', '4599', 'c', 'W', 'S', '7893', '2409', '6647', 'q', '3657', '3959', '7725', 'v', 'Q', 'L'], [2553, 'S', 'E', '3929', '9627', '4599', 'c', 'W', 'S', '7893', '2409', '6647', 'q', '3657', '3959', '7725', 'Q', 'S', 4853, 1079, 7087, 'W', 'k']

Ex Output:
3929, 9627, 4599, c, W, S, 7893, 2409, 6647, q, 3657, 3959, 7725


Ex Input:
['H', 9083, 4903, 'a', 'H', 5187, 5739, 9733, 8341, 6745, 'O', 'j', '4833', 'p', 'c', 'c', 'i', '8935', 's', '3157', '8407', 'r', 4623, 2885, 'F', 'X', 4657, 8091, 9079, 'z', 3883, 'f'], ['P', 5677, 7949, 8719, 'Q', 1663, 4017, 'r', 's', 's', 'O', 'j', '4833', 'p', 'c', 'c', 'i', '8935', 's', '3157', '8407', 'V', 6223, 'B', 'l']

Ex Output:

O, j, 4833, p, c, c, i, 8935, s, 3157, 8407