Task: Program Execution
Input (English): 3203 8665 p 5101 k 9049 9707 q U 6515 5369 8669 5193 5727 z 9101 y 877 9099 H X w P 9881 l 7895 1461 W 809 V s
Output (English): 3, 5, 8, 9, 15, 17, 20, 21, 22, 23, 25, 28, 30, 31