Task: Program Execution
Input (English): 17, 19, ['5121', '3933', 'D', '4783', '277', '3945', '1903', 'P', 'w', '399', 'C', 'y', '381', '2687', '8925', 'R', '8813', 'Q', '8647', 'n', '2883', '1507', 'x', '6253']
Output (English): 8647Q8813