Task: Program Execution
Input (English): b E l 4639 2043 9381 K 3595 31 9309 B 1299 I b F d I B 5651 9007 8067 9279 N O 2587
Output (English): 1, 2, 3, 7, 11, 13, 14, 15, 16, 17, 18, 23, 24