Task: Program Execution
Input (English): 4, ['9513', '7069', '8543', '2807', 'F', '2195', '7113', 'C', 'l', 'n', '8369', 'B', 'T', '7769', 'F', '6303', '5499', '4721', '1361', 'd', '4189', '2099', '7911', 'i', 'c', '969', 'Z']
Output (English): 9513, 7069, 8543, 2807