Task: Program Execution
Input (English): H 4679 3773 y 647 k r b 8425 e 2041 F 3597 Q 4157 R e r O 1021 4995 X M R P 5347 5905 4271 H
Output (English): 1, 4, 6, 7, 8, 10, 12, 14, 16, 17, 18, 19, 22, 23, 24, 25, 29