Task: Program Execution
Input (English): 17, ['6843', 'e', 'U', 'W', 'i', '7901', '7637', '6031', '3143', '4565', '4639', '6533', 'W', 'w', 'c', '6605', '8285', '5685', 'e', 'R', 'D', 'M', '6997', 'j', '1753', '5939', '7301', 'n', '8005', '8677', 'd', '8751', '6297', 'x', 'Q', 'O', 'w', '4543', '8639', '6521', '6057']
Output (English): 6843, 5685, Q