Task: Program Execution
Input (English): [1131, 4943, '199', '9459', '7219', '429', 'L', 'v', 2839, 8523], ['j', 2923, 675, 'X', '199', '9459', '7219', '429', 'L', 'u', 9367]
Output (English): 199, 9459, 7219, 429, L