Task: Program Execution
Input (English): 1, 10, ['2169', 'w', '2713', 'Z', '8513', 'D', '1365', 'l', '4845', '7275', '5819', 'M', 'e', '4821', 'm', '1789', 'v', 'M', '4249', '3909', 'w', 'B', '1481', 'J']
Output (English): 2169, 5819, w