Task: Program Execution
Input (English): 4, 7, ['S', '8577', '5571', 'f', 'x', '8391', 'u', '1899', '2083', 'O', '2989', '445', '3349', '8871', 'd', '9919', 'p', '8105', 'i', '2713', '7649', '277', 'S']
Output (English): f, 2989, 8105