Task: Program Execution
Input (English): 11, 18, ['747', '7079', 'P', '6779', '9113', '8649', '2341', '2023', '7421', '5241', '3591', '2685', 's', '8247', 'C', '4435', '4795', 'x', '8333', '7845', '5071', 'r', '2081', '4629', '1551', '2253']
Output (English): x47954435C8247s26853591