Task: Program Execution
Input (English): 13, ['5557', '2305', '3937', '9117', '1547', '8229', '9849', '2737', '4569', 'A', '4581', 'E', 'Y', 'u', '4801', 'W', '4793', '6523', 'J', 'b', '631', 'Q', '4267', 'j', 'Z', '3235', 'Q', 'U', 'X']
Output (English): 5557, u, Q