Task: Program Execution
Input (English): 4, ['9547', '3227', '8725', 'N', 'M', 'y', '433', '2341', '467', '6823', '3857', 'a', '9357', '8491', 'm', 'w', 'Q', 'f', '1007']
Output (English): 9547, M, 467, 9357, Q