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

Ex Input:
['R', 't', 'y', '2887', 'x', 4883], [5691, 9457, 'y', '2887', 'u', 'Y']

Ex Output:
y, 2887


Ex Input:
['E', 'V', 5783, 'G', 8167, 7189, 'I', 'A', '5987', 'd', 'u', '5069', 'v', 'i', '7725', '6567', '9085', '347', '4353', 'A', '5711', 'L', 'S', 'S', 'Z', '8949', 'X', 1807, 7157, 'S', 6831, 'T', 805, 'H', 2489, 'S', 'F', 7167, 'Q', 2907, 6863, 'k', 6843, 2527], ['R', 'y', 'k', 8823, 337, 1587, 'S', 'm', 5803, 'Q', 7073, 'A', '5987', 'd', 'u', '5069', 'v', 'i', '7725', '6567', '9085', '347', '4353', 'A', '5711', 'L', 'S', 'S', 'Z', '8949', 'S', 'O', 2883, 'o', 7283, 9175, 'G', 1287, 'u', 4403]

Ex Output:
A, 5987, d, u, 5069, v, i, 7725, 6567, 9085, 347, 4353, A, 5711, L, S, S, Z, 8949


Ex Input:
[889, 8013, 6413, 'n', '4333', 'x', '1325', '985', 'W', 'P', '6373', 'r', '5913', '3101', 'R', 'v', 8147, 'Y', 9821, 5579, 'A'], ['T', 'H', 'n', '4333', 'x', '1325', '985', 'W', 'P', '6373', 'r', '5913', '3101', 'R', 'n', 1493, 'o', 'b', 'r', 'l', 'X', 2113, 2947, 3893, 'f', 9413]

Ex Output:

n, 4333, x, 1325, 985, W, P, 6373, r, 5913, 3101, R