Task: Program Execution
Input (English): n v Z 7977 b 3535 3505 4811 d 2703 5633 8937 2841 7645 x 4971 S 9885 6373 t r Y 6161 6735 g B 4001 m j j 3121 u u
Output (English): 4, 6, 7, 8, 10, 11, 12, 13, 14, 16, 18, 19, 23, 24, 27, 31