Task: Program Execution
Input (English): 16, 23, ['a', '8369', '4715', '1125', 'y', '301', 'T', '2213', '6329', '891', 't', '3365', 'L', '3639', '6427', 'U', '4533', 'B', '1565', 'M', '4831', '2971', 'S', 'a']
Output (English): S17921384M5651B3354U