Task: Program Execution
Input (English): e a L 2687 4035 h b x F 4285 4129 d 1311 2553 4175 37 1453 3539 E j 6033 W K 5691 7383 4213 w 337 8207 A 2835 h h
Output (English): 4, 5, 10, 11, 13, 14, 15, 16, 17, 18, 21, 24, 25, 26, 28, 29, 31