Task: Program Execution
Input (English): 4561 Y 1267 2121 I T 4481 H Y Q 1565 8951 7691 4843 581 k L 8235 O 6953 8307 697 p 5395 A 123 H U 5847
Output (English): 2, 5, 6, 8, 9, 10, 16, 17, 19, 23, 25, 27, 28