Task: Program Execution
Input (English): c 6123 9977 3481 6229 k 8769 3917 3489 b b 4297 w 5823 v L 4517 2725 k 7139 O 217 q 4223 E K 8879 8219 G S L T 863 S F X k J 3795
Output (English): 1, 6, 10, 11, 13, 15, 16, 19, 21, 23, 25, 26, 29, 30, 31, 32, 34, 35, 36, 37, 38