Task: Program Execution
Input (English): 5, ['4123', 'T', '5165', 'Q', '8069', 'U', 'y', '649', 'L', '7821', 'H', '2745', 'X', '3405', '9225', '5861', 'M', 'M', '2981', 'a', '6529', '9837', '5421', '8843', 'Q', '1091', '3135', 'B', 'Q', 'D', 'q']
Output (English): 4123, U, H, 5861, 6529, 1091, q