Task: Program Execution
Input (English): 17, 19, ['5035', '9207', 'U', '9825', 'X', 'y', '5239', '2647', '509', '3211', '1253', '4079', 'V', '7403', 'v', 'd', 'B', 'a', 'n', '8197', 'p', '5283', 'a']
Output (English): Ban