Task: Program Execution
Input (English): 18, 21, ['c', 'C', 'c', '5173', 'Q', 'D', 'f', 'X', '7707', '4085', '1057', '3347', 'X', '6749', 'd', '3395', 'i', 'T', '4943', 'D', 'w', 's', 'c', '7635', '2721', 'u', '9721', '3949']
Output (English): wD3494T