Task: Program Execution
Input (English): 2819 4309 9743 U g r K Q C 4327 R l g 5911 B d 399 K u C y 2549 8551 s 8171 g J 7247 a 4653 2641 Z I e w 7655 P S Q
Output (English): 4, 5, 6, 7, 8, 9, 11, 12, 13, 15, 16, 18, 19, 20, 21, 24, 26, 27, 29, 32, 33, 34, 35, 37, 38, 39