Task: Program Execution
Input (English): 7141 3565 1753 x A 8453 s h 6625 5465 a 1153 I e 5455 w r u d x O n S 1467 9219 N H 3795
Output (English): 4, 5, 7, 8, 11, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 26, 27