Task: Program Execution
Input (English): 5, 6, ['x', '8893', '7833', 'T', '2491', '5353', 'h', '3905', '3283', 'e', '8503', 'B', 'D', 's', '3571', 'O', '1771', '623', '8545']
Output (English): 2491, 5353