Task: Program Execution
Input (English): 8081 F u 3679 6755 3095 1645 8053 p 7651 p 5987 Y b 9121 V 1153 2201 2083 r 8203 s x 4065 1261 1475 Q 2499 9763 a t 4475 A s 6603 f 2427
Output (English): 1, 4, 5, 6, 7, 8, 10, 12, 15, 17, 18, 19, 21, 24, 25, 26, 28, 29, 32, 35, 37