Task: Program Execution
Input (English): 9215 w J 7991 C 2563 s 8547 l 8045 5419 U 8899 9929 d F 6601 q t x C L 4849 B 5167 Q 5893 3881 S c
Output (English): 1, 4, 6, 8, 10, 11, 13, 14, 17, 23, 25, 27, 28