Task: Program Execution
Input (English): 17, 29, ['2435', 'g', 'C', 'C', '885', '2581', '7117', '7235', 'a', '9699', '9859', '5745', '7863', 'n', '7357', '3497', 'Y', '1701', '567', '6201', 'x', 'C', 'x', '2891', '1501', 'd', '4541', 's', 'U']
Output (English): Y17015676201xCx28911501d4541sU