Task: Program Execution
Input (English): 5603 7097 3935 7381 i 9641 9611 X h J R 9461 n 3961 e M S 7339 8211 2719 k 2997 s r 5195
Output (English): 1, 2, 3, 4, 6, 7, 12, 14, 18, 19, 20, 22, 25