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

Ex Input:
[6403, 3483, 'Z', 'l', '1385', '5787', '7377', '9385', '1545', '1079', 'C', 'K', 'f', 'O', 'W', '3253', 'Y', '2727', '3679', 'C', '4251', '3803', 'y', 'p', 'H', 'U', 9679, 'k', 'K', 3073, 3011, 'u', 'p', 'N', 2433, 9787, 3981, 363], ['n', 'n', 2201, 4585, 'Z', 'q', 921, 'S', 5417, 'l', '1385', '5787', '7377', '9385', '1545', '1079', 'C', 'K', 'f', 'O', 'W', '3253', 'Y', '2727', '3679', 'C', '4251', '3803', 'y', 'p', 'H', 'u', 'P', 4041, 6681, 'n', 'M', 8035]

Ex Output:
l, 1385, 5787, 7377, 9385, 1545, 1079, C, K, f, O, W, 3253, Y, 2727, 3679, C, 4251, 3803, y, p, H


Ex Input:
[2037, 'z', 'w', 7693, 'M', 'W', 'Y', 'G', 'U', 2483, 'l', 2629, 'F', '6973', 'w', 'D', 'z', 'z', 'Y', 'm', '6417', '927', 'X', 'N', 'L', '6511', '8401', 'A', 1945, 5937, 7887, 'j', 6615, 'O', 3925, 7455, 319, 'A', 6973], ['q', 'N', 'V', 'S', '6973', 'w', 'D', 'z', 'z', 'Y', 'm', '6417', '927', 'X', 'N', 'L', '6511', '8401', 'v', 'J', 'j', 'w']

Ex Output:
6973, w, D, z, z, Y, m, 6417, 927, X, N, L, 6511, 8401


Ex Input:
['l', 'F', 'U', '6103', '5955', 'H', '8989', '2851', '693', 'j', '1153', '8385', 'C', '3133', 'u', '3327', '7123', '6911', 'K', '1039', '9147', '195', '4363', '5617', 'X', '7635', '3989', 'B', 639, 'X', 'a', 1795, 5079, 8993, 'r', 8521, 695, 5619, 'V', 's', 6793], [6223, 'u', 6309, 'f', 'I', 'o', 4195, 9583, 2995, 8887, 5193, 5241, 9697, 9959, 'u', 'n', 8931, '6103', '5955', 'H', '8989', '2851', '693', 'j', '1153', '8385', 'C', '3133', 'u', '3327', '7123', '6911', 'K', '1039', '9147', '195', '4363', '5617', 'X', '7635', '3989', 'X', 4665, 'j', 5327, 'X', 'L', 'h', 'Y', 5281, 3909, 4483]

Ex Output:

6103, 5955, H, 8989, 2851, 693, j, 1153, 8385, C, 3133, u, 3327, 7123, 6911, K, 1039, 9147, 195, 4363, 5617, X, 7635, 3989