Task: Program Execution
Input (English): h u r 489 479 7459 6695 E 4451 P r 8427 3833 4229 S 3017 c b y 6759 C 6667 4697 3351 A R I 937 r 7509
Output (English): 4, 5, 6, 7, 9, 12, 13, 14, 16, 20, 22, 23, 24, 28, 30