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

Ex Input:
['d', 897, 't', 1807, 'k', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'z', 'c'], [2741, 'D', 5443, 'Z', 'k', 129, 3339, 'k', 'T', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'd', 4353]

Ex Output:
P, 5013, 1811, 9411, U, z, 2793, 3221, 5643, j, 1793, 9507, J, 6147, i, 4383, 723


Ex Input:
['B', 's', 'G', 3817, 'Y', '3253', 's', 'W', '2755', 'I', '8231', 'T', 'm', 'j', '1003', '133', 'o', 'Y', 'Y', 'N', 'Q', '8799', '3455', 'B', 997, 8067, 3771, 1367, 1903, 811, 'Z', 8913], ['l', 223, 's', 'B', 'H', 9633, 6875, 'O', 5231, 'Y', '3253', 's', 'W', '2755', 'I', '8231', 'T', 'm', 'j', '1003', '133', 'o', 'Y', 'Y', 'N', 'Q', '8799', '3455', 'O', 'k', 'l', 5187, 'j', 9867, 'Z', 8963, 'b', 2165, 213, 'r', 9723, 's', 8303]

Ex Output:
Y, 3253, s, W, 2755, I, 8231, T, m, j, 1003, 133, o, Y, Y, N, Q, 8799, 3455


Ex Input:
['F', 1427, 4291, '4507', 'E', '9405', '1659', '10017', '5615', 'r', '4351', '1217', 'k', '9747', 'i', '7927', '4555', '8517', '67', 'N', '9603', '4467', 'z', 'J', 9213, 'v', 997, 3693, 'z', 'Z', 'j'], [5711, 'k', 'd', 'a', 'z', '4507', 'E', '9405', '1659', '10017', '5615', 'r', '4351', '1217', 'k', '9747', 'i', '7927', '4555', '8517', '67', 'N', '9603', '4467', 'z', 'H', 'd', 2535, 'D']

Ex Output:

4507, E, 9405, 1659, 10017, 5615, r, 4351, 1217, k, 9747, i, 7927, 4555, 8517, 67, N, 9603, 4467, z