Task: Program Execution
Input (English): 15, 17, ['4547', '4013', 'g', 'j', '315', 'y', '3931', '7873', '6431', '3935', 'W', '335', 'w', '3317', 'D', '227', 'y', 'd', '2597', '9195', '4181', '8037', 'Z', '9797', 'G', '5465']
Output (English): y227D