Task: Program Execution
Input (English): 8905 3471 131 x 9529 6431 d U 8141 9711 K T 4285 N L k 4473 s o 767 b 5903 I 7689 427 4135 8589 673 3369 V 4783 a 5523 p y S B U n
Output (English): 4, 7, 8, 11, 12, 14, 15, 16, 18, 19, 21, 23, 30, 32, 34, 35, 36, 37, 38, 39