Task: Program Execution
Input (English): Y 123 u Y Y 395 3415 2423 l 565 1427 M 8045 B G b 3537 9267 h U 4731 F 4509 7661 2383 o
Output (English): 1, 3, 4, 5, 9, 12, 14, 15, 16, 19, 20, 22, 26