Task: Program Execution
Input (English): V s F 7753 5203 7743 2389 U S 4891 P Y P L B N Y k 8213 y 9827 1817 2227 f 231 8429 1011 W
Output (English): 1, 2, 3, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 20, 24, 28