Task: Program Execution
Input (English): 7, 19, ['O', '2027', 'W', '1533', '5491', 'K', 'j', 'p', '6233', 'v', '2349', 'K', 'y', '8439', 'J', '9475', 'b', '9781', '1327', '2431', '7321', 'a']
Output (English): 72311879b5749J9348yK9432v3326pj