Task: Program Execution
Input (English): 4673 3097 t X a O 8307 9217 6341 l 4407 P 1635 6925 1405 X 4661 J L C 2307 m 6881 4457 g i u x h 8003 457 e q B j 9515 8867
Output (English): 1, 2, 7, 8, 9, 11, 13, 14, 15, 17, 21, 23, 24, 30, 31, 36, 37