Task: Program Execution
Input (English): 3859 3825 3469 2745 681 t 7513 N X L 457 5859 n 1617 7281 P 9909 r 3713 8397 l n d K h 2347 4743 3021 9655 6853 X 2983 3675 8487 u 7669 Q
Output (English): 6, 8, 9, 10, 13, 16, 18, 21, 22, 23, 24, 25, 31, 35, 37