Task: Program Execution
Input (English): F I 6571 W E 6075 8757 9115 e 7519 Y 6201 x d U E 8745 d z K o j Y 8249 3347 S E 743 6209 I S w 2697 g m 255 n 4339 5359
Output (English): 3, 6, 7, 8, 10, 12, 17, 24, 25, 28, 29, 33, 36, 38, 39