Task: Program Execution
Input (English): 6999 z h 8525 a 3383 T u z I d 9603 K 4503 8111 P 4761 K 4129 6403 O 6257 o j A 5697 8535 8713 6581 9837 1991
Output (English): 1, 4, 6, 12, 14, 15, 17, 19, 20, 22, 26, 27, 28, 29, 30, 31