Task: Program Execution
Input (English): 4943 P 785 9495 B d 9493 g F 6305 7251 p 8567 U 7769 y C 447 9507 K 3221 P n 2815 T 6351 V X V u Q n O a 2909 2125 r X 2541 I
Output (English): 2, 5, 6, 8, 9, 12, 14, 16, 17, 20, 22, 23, 25, 27, 28, 29, 30, 31, 32, 33, 34, 37, 38, 40