Task: Program Execution
Input (English): 185 2457 d c z 7881 U 5149 8485 t 5561 H e s V 3317 8017 S o 6207 E 7071 6459 j s
Output (English): 1, 2, 6, 8, 9, 11, 16, 17, 20, 22, 23