Task: Program Execution
Input (English): 15, 17, ['b', '9527', '99', '1893', '7375', '2271', '5177', 'u', '6721', 'S', 'C', 'i', '1327', 'T', '6561', 'U', 'X', '9803', 'j', 'q', 'y', 'n', 'F', '2677', 'A']
Output (English): 6561UX