Task: Program Execution
Input (English): t 4703 O 9857 F 1215 3627 b c 6355 F H 8361 2957 4177 3065 7891 5903 233 5673 u X O 7141 3103 8377 t I 1611 N 2321 189
Output (English): 1, 3, 5, 8, 9, 11, 12, 21, 22, 23, 27, 28, 30