Task: Program Execution
Input (English): 6737 4557 w B 7949 I 249 4581 1053 J W 35 4523 2097 5139 p m G R 7757 I 6487 D E 8939
Output (English): 1, 2, 5, 7, 8, 9, 12, 13, 14, 15, 20, 22, 25