Task: Program Execution
Input (English): 847 y O 5329 k 3905 4953 U 6589 2567 4483 3227 2781 j R V 5275 f 6533 3065 v v M A d g
Output (English): 1, 4, 6, 7, 9, 10, 11, 12, 13, 17, 19, 20