Task: Program Execution
Input (English): 13, 16, ['3711', '6659', 'C', '9067', '2215', 'H', '2271', 'Z', '7087', '1949', '6183', '391', '3511', 'C', '5139', '9285', 'V', 'C']
Output (English): 3511, C, 5139, 9285