Task: Program Execution
Input (English): B 1319 7053 f y w E T S 6643 6223 W M 2025 6057 O 3907 S T Y O C 4767 L V 2539 2109 Z D p
Output (English): 2, 3, 10, 11, 14, 15, 17, 23, 26, 27