Task: Program Execution
Input (English): w l p 8957 6989 7397 k 9669 4703 3179 1551 4973 9857 r 5491 j Y 4309 8153 y 631 C f 9707 1207 o 6525 s v U
Output (English): 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 19, 21, 24, 25, 27