Task: Program Execution
Input (English): h x M 4131 4893 q O V 4931 v 4237 7581 k 5517 o 611 7709 a C A v r I B c O T 9635 2999 9411 S 5475 6717 1123
Output (English): 1, 2, 3, 6, 7, 8, 10, 13, 15, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 31