Task: Program Execution
Input (English): 1025 A Y 2391 993 6595 x 4531 p 7715 1997 4697 Y 4719 5331 J 2615 i S 9077 U 8469 Y t 1531 y o f
Output (English): 1, 4, 5, 6, 8, 10, 11, 12, 14, 15, 17, 20, 22, 25