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

Ex Input:
['y', 'T', 'W', 'v', 3541, 5233, 'w', 8885, 'o', 9621, 'e', 457, 'z', 'D', 5225, 'm', 'U', '8669', '4471', '3119', 'Y', '1937', '1161', 't', 'o', 'm', '6349', 'f', 'x', 's', 'L', 'E', '7395', '7035', 'p', '9607', 'a', '7951', 'A', 5057, 'S', 983, 8121, 'Y', 'I', 6217, 987, 'U', 2147, 'n'], ['R', 8175, 6613, 8767, 7071, 6707, 'V', 6635, 'n', 'Z', 8325, 6011, 8089, 2053, 'm', 'U', '8669', '4471', '3119', 'Y', '1937', '1161', 't', 'o', 'm', '6349', 'f', 'x', 's', 'L', 'E', '7395', '7035', 'p', '9607', 'a', '7951', 'E', 2901, 4455, 739, 'M', 'd', 1735, 'i']

Ex Output:
m, U, 8669, 4471, 3119, Y, 1937, 1161, t, o, m, 6349, f, x, s, L, E, 7395, 7035, p, 9607, a, 7951


Ex Input:
[9889, 'I', 'f', 'y', '3773', '4483', 'Y', '2325', 'M', '247', '8091', 'H', '3787', '3845', 'i', 'L', 't', '6949', '6019', '5929', 'm', 2573, 839, 'a', 'S', 9999, 'H', 135, 1089], ['Y', 'a', 9301, 'l', 'v', 'f', 'y', '3773', '4483', 'Y', '2325', 'M', '247', '8091', 'H', '3787', '3845', 'i', 'L', 't', '6949', '6019', '5929', 'Q', 9865, 7343, 741, 863, 'I', 'M', 'u']

Ex Output:
f, y, 3773, 4483, Y, 2325, M, 247, 8091, H, 3787, 3845, i, L, t, 6949, 6019, 5929


Ex Input:
['b', 8751, 5941, 9385, 4529, 'I', 'K', '9881', '8513', '2129', '4967', 'N', '3919', 'v', 'n', 'k', '4841', 'x', '2211', 'x', 'm', 'E', '9035', 'O', 'T', 7083, 9, 4723, 'O', 'g', 'd', 4849, 8173, 1613, 4389, 'A', 8147], ['L', 7231, 'w', 'v', 9497, 'L', 'K', '9881', '8513', '2129', '4967', 'N', '3919', 'v', 'n', 'k', '4841', 'x', '2211', 'x', 'm', 'E', '9035', 'Y', 5817, 'R', 6097, 6153, 8667, 5161, 'M', 't']

Ex Output:

K, 9881, 8513, 2129, 4967, N, 3919, v, n, k, 4841, x, 2211, x, m, E, 9035