Task: Program Execution
Input (English): 7, 21, ['s', 'e', 'n', '1765', 'S', '4877', 'F', 'Q', 'O', 'k', '1699', '1795', '6511', 'h', 'j', '2891', 'J', '5231', 'a', 'M', 'l', '5243', '145']
Output (English): F, Q, O, k, 1699, 1795, 6511, h, j, 2891, J, 5231, a, M, l