Task: Program Execution
Input (English): E 1035 r I L C J 9079 2871 1347 6209 F 6023 3595 y 6139 J 9299 6895 I 9575 z h J K m W B z 7969
Output (English): 1, 3, 4, 5, 6, 7, 12, 15, 17, 20, 22, 23, 24, 25, 26, 27, 28, 29