Task: Program Execution
Input (English): 2279 5651 U 1247 m 6351 O D 7435 8999 R 3071 9877 g K 8589 C s Y k c 263 b 7505 2905
Output (English): 1, 2, 4, 6, 9, 10, 12, 13, 16, 22, 24, 25