Task: Program Execution
Input (English): 3, 7, ['u', 'W', '4823', '5311', '8503', '4465', '2439', '6989', 'Y', 'O', 'g', '1329', '6031', '5033', '495', 'x', 'o', '2979', '4879', '9403', '8903']
Output (English): 4823, O, o