Task: Program Execution
Input (English): 6879 Y q 851 2053 j d 5165 603 67 8443 W 1509 4087 M 3485 V m b 6139 k 9885 1051 Z 507 k 505 f g D 8671 1241 q 8657 L N
Output (English): 1, 4, 5, 8, 9, 10, 11, 13, 14, 16, 20, 22, 23, 25, 27, 31, 32, 34