Task: Program Execution
Input (English): x 647 n e 1523 q 9203 4853 1501 6759 r U H M R 2927 e a B 169 Y 4919 1565 7239 6843
Output (English): 1, 3, 4, 6, 11, 12, 13, 14, 15, 17, 18, 19, 21