Task: Program Execution
Input (English): 7089 9225 c O 4463 2929 V m Z 8507 a a e a a c 4487 y 1263 7405 f g F 281 7657 g 6805
Output (English): 1, 2, 5, 6, 10, 17, 19, 20, 24, 25, 27