Task: Program Execution
Input (English): 3, 4, ['4593', '3699', 'Y', 'L', '9337', 'R', '5885', 'n', '9079', '3773', 'c', '5001', 's', '6363', 'O', '8333', 'L', '2721', 'D']
Output (English): Y, 5885, c, O, D