Task: Program Execution
Input (English): a 3911 K j 5895 4533 X S 4463 T 2547 Y 1271 z 6305 4775 8125 1837 j 177 P 789 C 4457 t
Output (English): 1, 3, 4, 7, 8, 10, 12, 14, 19, 21, 23, 25