Task: Program Execution
Input (English): 6477 6433 4739 l 4293 8561 5927 6835 j y d 3077 3497 8283 1489 4197 g w R 1473 Y w F 107 f j Y y i
Output (English): 4, 9, 10, 11, 17, 18, 19, 21, 22, 23, 25, 26, 27, 28, 29