Task: Program Execution
Input (English): 13, 17, ['E', 'u', '7389', 's', '5839', '2109', 'W', 's', '9561', 'w', 'x', '9663', 'd', '1579', 'U', '9249', '8763', '8141', 'i', 'X', '9201']
Output (English): d1579U92498763