Task: Program Execution
Input (English): 9, ['4237', '8805', 'D', '1549', '1371', 'F', '7903', 'W', '4497', 'j', '893', 'o', 'o', '451', 'h', 'r', '2527', '3729', '4949']
Output (English): 4237, j, 4949