Task: Program Execution
Input (English): 3, 18, ['X', 'H', '4129', 'S', '8193', '5441', '5749', '769', '2887', 'W', '2093', 'Q', 'Z', '713', '6925', 'Q', 'L', '3459']
Output (English): 9543LQ5296317ZQ3902W7882967947514453918S9214