Task: Program Execution
Input (English): 3, ['P', '8179', '3399', '6723', 'y', '2875', 'o', '8779', '6713', '9987', 'X', '4799', 'D', '3137', '9863', '8547', '9169', '2049', '5463', 'I', '4791', '8189', '911', 'o', 'T', 'g']
Output (English): P, 6723, o, 9987, D, 8547, 5463, 8189, T