Task: Program Execution
Input (English): 6501 c 1809 9021 q 5457 9757 v x 6971 3887 5311 g 7931 3763 2255 589 2003 E 9981 9377 6899 9695 y e w W t t 2611 S
Output (English): 1, 3, 4, 6, 7, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 23, 30