Task: Program Execution
Input (English): X 4721 K f X q 5579 4401 7199 6579 3161 9271 9567 9143 P 3787 O 4151 3527 j 1331 9539 J 5835 Z
Output (English): 1, 3, 4, 5, 6, 15, 17, 20, 23, 25