Task: Program Execution
Input (English): 8, 15, ['63', '8469', '4047', 'Y', 'U', '7453', '2073', '5683', 'u', 'q', '5225', '4015', '4433', '5021', 'q', '3861', '9811', '3919', 'g', 'j', 'u', '1225', '6027', 'i']
Output (English): q5021443340155225qu5683