Task: Program Execution
Input (English): L l 2021 x Z 407 J 8471 F 3583 1423 S 2001 k 6007 8333 V 4129 v 2461 f q 4679 6063 Z A
Output (English): 3, 6, 8, 10, 11, 13, 15, 16, 18, 20, 23, 24