Task: Program Execution
Input (English): 6593 K 7915 635 1855 x 8321 2881 P 1835 3007 l 5197 697 3539 3 9915 k v 3307 X 3791 7171 1973 A M S
Output (English): 1, 3, 4, 5, 7, 8, 10, 11, 13, 14, 15, 16, 17, 20, 22, 23, 24