Task: Program Execution
Input (English): l 587 h l 631 e 2845 4011 C 9463 2253 637 a c y 1607 Z V 77 257 f w 8439 U 2551 4107 z 4315 2477 P K 6839 b
Output (English): 2, 5, 7, 8, 10, 11, 12, 16, 19, 20, 23, 25, 26, 28, 29, 32