Task: Program Execution
Input (English): F R 3501 9521 h 3313 q 4909 8139 p 195 3905 h F 277 8189 9769 9295 7689 2081 n 3443 8103 U 5529 6057 4359 j 8345 9597 3933
Output (English): 3, 4, 6, 8, 9, 11, 12, 15, 16, 17, 18, 19, 20, 22, 23, 25, 26, 27, 29, 30, 31