Task: Program Execution
Input (English): 2, ['F', 'H', 'S', '5431', '7899', 'j', '7401', '4857', '1813', '6925', '905', '2059', '9611', 'C', '2133', 'x', 'q', '4575', 'h', '6601', '4785', 'M']
Output (English): F, H