Task: Program Execution
Input (English): L 9119 i 887 3131 7345 6941 b 1915 Y s 8973 Z 511 5621 2879 1489 7907 3117 1951 973 T A 113 5953 6447 s J P h 2547 y
Output (English): 2, 4, 5, 6, 7, 9, 12, 14, 15, 16, 17, 18, 19, 20, 21, 24, 25, 26, 31