Task: Program Execution
Input (English): z 3777 3361 b 8353 4925 2031 R r E b 2639 g 53 4731 A U 4233 y p g 6343 6237 3871 9317 8051 4093 L Q d 3415
Output (English): 1, 4, 8, 9, 10, 11, 13, 16, 17, 19, 20, 21, 28, 29, 30