Task: Program Execution
Input (English): 19, 22, ['6193', '7223', '6541', '5791', 'M', '3915', 'I', 'e', '6585', 'a', '7995', 'e', '2869', 'q', '9669', 'F', 'x', 'J', '5637', 'd', 'W', '2535', '37', '6831', 'x']
Output (English): 2535Wd5637