Task: Program Execution
Input (English): 21, 23, ['t', 'r', '4363', '4641', 'f', '1637', '8473', 'M', 'V', 'U', 'K', '2253', '4641', '1463', 'B', 'l', '421', 'i', '5981', '6569', '7209', '4889', 'y', 'Q', '7697', 'v']
Output (English): 7209, 4889, y