Task: Program Execution
Input (English): 2693 A 2637 e 9443 979 1613 u S 3107 y X u g 3591 Q g 7041 l H 8647 K V 6089 4807 C 4005 9905
Output (English): 1, 3, 5, 6, 7, 10, 15, 18, 21, 24, 25, 27, 28