Task: Program Execution
Input (English): 9, ['6241', 't', '3387', '8731', 'W', '5707', '6543', '9971', 'f', 'y', 'p', '1749', '6603', 'L', 'C', 'B', 'K', '9039', '9107', '4195', '449', '4963', '3481', '3889', '61', '5015', 'v', '3637', '4215', '9507', 'r', 'a', 'C']
Output (English): 6241, y, 9107, 3637