Task: Program Execution
Input (English): 213 2647 2459 p 7483 4657 5715 n a q o z Q 4817 3045 Z d M y 3517 V 7317 5439 p F m C 8179 9969
Output (English): 1, 2, 3, 5, 6, 7, 14, 15, 20, 22, 23, 28, 29