Task: Program Execution
Input (English): 17, 28, ['W', '1039', 'U', '929', 'L', '2751', 'V', 'U', 'a', 'H', 'N', '1037', '4327', '361', '95', '8901', '985', 'B', '9871', 'Z', 's', 'Q', 'M', '5407', 'R', 'x', 't', 'b', 'G']
Output (English): btxR5407MQsZ9871B985