Task: Program Execution
Input (English): 4173 y 4755 q 7285 l 6695 8141 b D 4919 6621 6249 5165 7693 5605 y Q 7137 1323 U 8311 e y 5435 M 9419 2813 k
Output (English): 2, 4, 6, 9, 10, 17, 18, 21, 23, 24, 26, 29