Task: Program Execution
Input (English): H L 7347 a k 5521 2643 4807 u 3911 7939 8225 p 6579 b 9521 F s 3863 7029 123 W U 3273 435 3657
Output (English): 1, 2, 4, 5, 9, 13, 15, 17, 18, 22, 23