Task: Program Execution
Input (English): 4, ['3743', 'C', '3453', 'J', 'y', 'Y', '4095', '535', '4681', 'C', 'd', 'y', '9319', 'C', 't', '7971', '6651', '3801', '5517', '9801', 'I', '8629', '2095', 't', 't']
Output (English): 3743, y, 4681, 9319, 6651, I, t