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

Ex Input:
[7491, 'w', 'F', 2929, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'X', 'n', 821, 1983, 'S', 6305, 'O', 6533, 'q', 901, 'U', 2911], [3143, 1605, 4373, 'T', 7055, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'r', 'Z', 943, 861, 8883, 'b', 'n', 3409, 8943, 'M']

Ex Output:
6969, 2729, 4371, 6153, a, r, y, h, y, g, C, 1381, 5801, 8697, 4093


Ex Input:
['R', 'k', 'g', 4045, 'W', '4923', '9161', '4031', '7443', 'f', 'U', 2683, 'Y'], [943, 'v', '4923', '9161', '4031', '7443', 'f', 't', 'm', 9213]

Ex Output:
4923, 9161, 4031, 7443, f


Ex Input:
['x', 'T', 'K', 'i', 935, 's', 209, 6485, 7803, 'Z', 'Q', 'H', 'u', '5629', '7573', '4679', '73', '6729', '1943', 'Y', 'b', '1595', 'R', '1475', '9785', '3773', '4077', '2189', 'r', 'd', '9613', 'L', 'S', '6619', '9039', '7557', '999', 'F', 'N', 'p', 9815, 'Q', 'u', 'U', 1559, 'Y', 'z', 'i', 3473, 's', 7251, 5303, 'k', 'u'], [9843, 'H', 3903, 6499, 'y', 'u', 'v', 'i', 'p', 8877, 27, 'Z', 6151, 5793, 'F', 'u', 'K', 'f', 'F', 8005, 'r', 4323, 2093, '5629', '7573', '4679', '73', '6729', '1943', 'Y', 'b', '1595', 'R', '1475', '9785', '3773', '4077', '2189', 'r', 'd', '9613', 'L', 'S', '6619', '9039', '7557', '999', 'F', 'O', 'u', 'J']

Ex Output:

5629, 7573, 4679, 73, 6729, 1943, Y, b, 1595, R, 1475, 9785, 3773, 4077, 2189, r, d, 9613, L, S, 6619, 9039, 7557, 999, F