Task: Program Execution
Input (English): 7699 5525 6049 C 3771 w 5693 P n 2521 3495 n I Q 1393 965 a i 6783 4273 8815 V 6477 h p 8493 5057 s Y
Output (English): 1, 2, 3, 5, 7, 10, 11, 15, 16, 19, 20, 21, 23, 26, 27