Task: Program Execution
Input (English): 4, 3, ['8409', '7087', '3525', '2569', 'l', 'l', '4139', 'a', '403', 'O', 'x', 'X', 'X', '6825', 'o', '6121', '6195', '8523', 'o', 'O', '8917', '2981', '269', 'w', 'q', '3221', '5195', '819']
Output (English): 2569, 4139, O, X, 6121, o, 2981, q, 819