Task: Program Execution
Input (English): 8, ['4625', '3479', 'a', '2541', '5643', '9277', 'j', '2161', '887', '9399', 'F', 'l', '6663', 'x', '4041', '6791', 'M', '7871', 'J', '6665', 'B']
Output (English): 4625, 887, M