Task: Program Execution
Input (English): 5987 f 1287 h b 5891 1817 4113 e W w 299 u R 2095 Q 323 V L r 5433 1689 9839 4973 D 7123 s
Output (English): 2, 4, 5, 9, 10, 11, 13, 14, 16, 18, 19, 20, 25, 27