Task: Program Execution
Input (English): 7299 O T r 397 v 961 D 7853 3215 5139 k 8531 N 2559 1097 7775 P 7647 2695 D U 4293 3811 B a 5287 999 K O q
Output (English): 1, 5, 7, 9, 10, 11, 13, 15, 16, 17, 19, 20, 23, 24, 27, 28