Task: Program Execution
Input (English): 15, 20, ['X', 'n', '1429', 'J', '1295', 'n', 'L', 'a', 'j', 'V', '9517', 'J', 'H', '5989', 'S', 'i', 't', 'K', '3525', '4989', '2213', '5587']
Output (English): SitK35254989