Task: Program Execution
Input (English): 12, 16, ['4089', 's', 'x', 'Q', 'z', 'g', 'R', '2777', '7255', 'W', '4997', 'e', '4465', 'a', '8807', '291', 'f', '7823', 'j']
Output (English): 2918807a4465e