Task: Program Execution
Input (English): x 9349 8657 v 715 D C 2351 7537 4973 433 7677 K 6257 Q b r Q 8663 k 8709 6237 c z Z 3587 K 1149 V
Output (English): 2, 3, 5, 8, 9, 10, 11, 12, 14, 19, 21, 22, 26, 28