Task: Program Execution
Input (English): 7, ['b', '9109', 'k', '4421', 'Y', 'o', '1987', '1673', 'z', 'W', '61', '6003', '6663', 'g', 'P', '6381', '8405', 'S', 'D', 'K', '1523', '4561', '5279', '4649']
Output (English): b, 1673, P, 4561