Task: Program Execution
Input (English): a 4995 a U v 7521 5443 e 7427 1225 R 3203 3933 x 8155 43 e 4623 5513 2177 W i 6139 6173 b v E n k 3645 D
Output (English): 2, 6, 7, 9, 10, 12, 13, 15, 16, 18, 19, 20, 23, 24, 30