Task: Program Execution
Input (English): Y 9117 L X 5915 1297 3521 3243 1917 629 1031 4295 2321 f 595 F k 7581 1179 M D d E t U e 5877 I U P 3981 G Y
Output (English): 2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 18, 19, 27, 31