Task: Program Execution
Input (English): 9, ['8257', '1839', 'W', 'J', '6835', '5857', 'B', 'C', '2287', '333', 'W', '6105', 'L', '6017', 'A', 'H', '3061', '4237', 'n', '3243']
Output (English): 8257, 333, n