Task: Program Execution
Input (English): 17, 18, ['347', '4207', '1395', 'M', '3351', '1237', '3381', 'L', '8763', '3207', '7353', '1799', '3317', 'O', 'c', 'u', 'r', 'y', '4993', 'S', 'U', 'y', 'r', '2613']
Output (English): y, r